21928421520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3671

約数の個数: 320

約数和(自身を含む): 78424980480

約数和(自身を除く): 56496558960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 61, 72, 80, 90, 94, 108, 120, 122, 135, 141, 144, 180, 183, 188, 216, 235, 240, 244, 270, 282, 305, 360, 366, 376, 423, 432, 470, 488, 540, 549, 564, 610, 705, 720, 732, 752, 846, 915, 940, 976, 1080, 1098, 1128, 1220, 1269, 1410, 1464, 1647, 1692, 1830, 1880, 2115, 2160, 2196, 2256, 2440, 2538, 2745, 2820, 2867, 2928, 3294, 3384, 3541, 3660, 3760, 4230, 4392, 4880, 5076, 5490, 5640, 5734, 6345, 6588, 6768, 7082, 7320, 8235, 8460, 8601, 8784, 10152, 10623, 10980, 11280, 11468, 12690, 13176, 14164, 14335, 14640, 16470, 16920, 17202, 17705, 20304, 21246, 21960, 22936, 25380, 25803, 26352, 28328, 28670, 31869, 32940, 33840, 34404, 35410, 42492, 43005, 43920, 45872, 50760, 51606, 53115, 56656, 57340, 63738, 65880, 68808, 70820, 77409, 84984, 86010, 95607, 101520, 103212, 106230, 114680, 127476, 129015, 131760, 137616, 141640, 154818, 159345, 166427, 169968, 172020, 191214, 206424, 212460, 216001, 229360, 254952, 258030, 283280, 309636, 318690, 332854, 344040, 382428, 387045, 412848, 424920, 432002, 478035, 499281, 509904, 516060, 619272, 637380, 648003, 665708, 688080, 764856, 774090, 832135, 849840, 864004, 956070, 998562, 1032120, 1080005, 1238544, 1274760, 1296006, 1331416, 1497843, 1529712, 1548180, 1664270, 1728008, 1912140, 1944009, 1997124, 2064240, 2160010, 2496405, 2549520, 2592012, 2662832, 2995686, 3096360, 3240015, 3328540, 3456016, 3824280, 3888018, 3994248, 4320020, 4493529, 4992810, 5184024, 5832027, 5991372, 6192720, 6480030, 6657080, 7489215, 7648560, 7776036, 7988496, 8640040, 8987058, 9720045, 9985620, 10152047, 10368048, 11664054, 11982744, 12960060, 13314160, 14978430, 15552072, 17280080, 17974116, 19440090, 19971240, 20304094, 22467645, 23328108, 23965488, 25920120, 29160135, 29956860, 30456141, 31104144, 35948232, 38880180, 39942480, 40608188, 44935290, 46656216, 50760235, 51840240, 58320270, 59913720, 60912282, 71896464, 77760360, 81216376, 89870580, 91368423, 93312432, 101520470, 116640540, 119827440, 121824564, 152280705, 155520720, 162432752, 179741160, 182736846, 203040940, 233281080, 243649128, 274105269, 304561410, 359482320, 365473692, 406081880, 456842115, 466562160, 487298256, 548210538, 609122820, 730947384, 812163760, 913684230, 1096421076, 1218245640, 1370526345, 1461894768, 1827368460, 2192842152, 2436491280, 2741052690, 3654736920, 4385684304, 5482105380, 7309473840, 10964210760, 21928421520]

約数ペア:

[(1, 21928421520), (2, 10964210760), (3, 7309473840), (4, 5482105380), (5, 4385684304), (6, 3654736920), (8, 2741052690), (9, 2436491280), (10, 2192842152), (12, 1827368460), (15, 1461894768), (16, 1370526345), (18, 1218245640), (20, 1096421076), (24, 913684230), (27, 812163760), (30, 730947384), (36, 609122820), (40, 548210538), (45, 487298256), (47, 466562160), (48, 456842115), (54, 406081880), (60, 365473692), (61, 359482320), (72, 304561410), (80, 274105269), (90, 243649128), (94, 233281080), (108, 203040940), (120, 182736846), (122, 179741160), (135, 162432752), (141, 155520720), (144, 152280705), (180, 121824564), (183, 119827440), (188, 116640540), (216, 101520470), (235, 93312432), (240, 91368423), (244, 89870580), (270, 81216376), (282, 77760360), (305, 71896464), (360, 60912282), (366, 59913720), (376, 58320270), (423, 51840240), (432, 50760235), (470, 46656216), (488, 44935290), (540, 40608188), (549, 39942480), (564, 38880180), (610, 35948232), (705, 31104144), (720, 30456141), (732, 29956860), (752, 29160135), (846, 25920120), (915, 23965488), (940, 23328108), (976, 22467645), (1080, 20304094), (1098, 19971240), (1128, 19440090), (1220, 17974116), (1269, 17280080), (1410, 15552072), (1464, 14978430), (1647, 13314160), (1692, 12960060), (1830, 11982744), (1880, 11664054), (2115, 10368048), (2160, 10152047), (2196, 9985620), (2256, 9720045), (2440, 8987058), (2538, 8640040), (2745, 7988496), (2820, 7776036), (2867, 7648560), (2928, 7489215), (3294, 6657080), (3384, 6480030), (3541, 6192720), (3660, 5991372), (3760, 5832027), (4230, 5184024), (4392, 4992810), (4880, 4493529), (5076, 4320020), (5490, 3994248), (5640, 3888018), (5734, 3824280), (6345, 3456016), (6588, 3328540), (6768, 3240015), (7082, 3096360), (7320, 2995686), (8235, 2662832), (8460, 2592012), (8601, 2549520), (8784, 2496405), (10152, 2160010), (10623, 2064240), (10980, 1997124), (11280, 1944009), (11468, 1912140), (12690, 1728008), (13176, 1664270), (14164, 1548180), (14335, 1529712), (14640, 1497843), (16470, 1331416), (16920, 1296006), (17202, 1274760), (17705, 1238544), (20304, 1080005), (21246, 1032120), (21960, 998562), (22936, 956070), (25380, 864004), (25803, 849840), (26352, 832135), (28328, 774090), (28670, 764856), (31869, 688080), (32940, 665708), (33840, 648003), (34404, 637380), (35410, 619272), (42492, 516060), (43005, 509904), (43920, 499281), (45872, 478035), (50760, 432002), (51606, 424920), (53115, 412848), (56656, 387045), (57340, 382428), (63738, 344040), (65880, 332854), (68808, 318690), (70820, 309636), (77409, 283280), (84984, 258030), (86010, 254952), (95607, 229360), (101520, 216001), (103212, 212460), (106230, 206424), (114680, 191214), (127476, 172020), (129015, 169968), (131760, 166427), (137616, 159345), (141640, 154818)]