21229163760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{78487}}^1$

素因数の和:78540

約数の個数: 240

約数和(自身を含む): 79884458496

約数和(自身を除く): 58655294736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 98, 105, 112, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 240, 245, 276, 280, 294, 322, 336, 345, 368, 392, 420, 460, 483, 490, 552, 560, 588, 644, 690, 735, 784, 805, 840, 920, 966, 980, 1104, 1127, 1176, 1288, 1380, 1470, 1610, 1680, 1840, 1932, 1960, 2254, 2352, 2415, 2576, 2760, 2940, 3220, 3381, 3864, 3920, 4508, 4830, 5520, 5635, 5880, 6440, 6762, 7728, 9016, 9660, 11270, 11760, 12880, 13524, 16905, 18032, 19320, 22540, 27048, 33810, 38640, 45080, 54096, 67620, 78487, 90160, 135240, 156974, 235461, 270480, 313948, 392435, 470922, 549409, 627896, 784870, 941844, 1098818, 1177305, 1255792, 1569740, 1648227, 1805201, 1883688, 2197636, 2354610, 2747045, 3139480, 3296454, 3610402, 3767376, 3845863, 4395272, 4709220, 5415603, 5494090, 6278960, 6592908, 7220804, 7691726, 8241135, 8790544, 9026005, 9418440, 10831206, 10988180, 11537589, 12636407, 13185816, 14441608, 15383452, 16482270, 18052010, 18836880, 19229315, 21662412, 21976360, 23075178, 25272814, 26371632, 27078015, 28883216, 30766904, 32964540, 36104020, 37909221, 38458630, 43324824, 43952720, 46150356, 50545628, 54156030, 57687945, 61533808, 63182035, 65929080, 72208040, 75818442, 76917260, 86649648, 88454849, 92300712, 101091256, 108312060, 115375890, 126364070, 131858160, 144416080, 151636884, 153834520, 176909698, 184601424, 189546105, 202182512, 216624120, 230751780, 252728140, 265364547, 303273768, 307669040, 353819396, 379092210, 433248240, 442274245, 461503560, 505456280, 530729094, 606547536, 707638792, 758184420, 884548490, 923007120, 1010912560, 1061458188, 1326822735, 1415277584, 1516368840, 1769096980, 2122916376, 2653645470, 3032737680, 3538193960, 4245832752, 5307290940, 7076387920, 10614581880, 21229163760]

約数ペア:

[(1, 21229163760), (2, 10614581880), (3, 7076387920), (4, 5307290940), (5, 4245832752), (6, 3538193960), (7, 3032737680), (8, 2653645470), (10, 2122916376), (12, 1769096980), (14, 1516368840), (15, 1415277584), (16, 1326822735), (20, 1061458188), (21, 1010912560), (23, 923007120), (24, 884548490), (28, 758184420), (30, 707638792), (35, 606547536), (40, 530729094), (42, 505456280), (46, 461503560), (48, 442274245), (49, 433248240), (56, 379092210), (60, 353819396), (69, 307669040), (70, 303273768), (80, 265364547), (84, 252728140), (92, 230751780), (98, 216624120), (105, 202182512), (112, 189546105), (115, 184601424), (120, 176909698), (138, 153834520), (140, 151636884), (147, 144416080), (161, 131858160), (168, 126364070), (184, 115375890), (196, 108312060), (210, 101091256), (230, 92300712), (240, 88454849), (245, 86649648), (276, 76917260), (280, 75818442), (294, 72208040), (322, 65929080), (336, 63182035), (345, 61533808), (368, 57687945), (392, 54156030), (420, 50545628), (460, 46150356), (483, 43952720), (490, 43324824), (552, 38458630), (560, 37909221), (588, 36104020), (644, 32964540), (690, 30766904), (735, 28883216), (784, 27078015), (805, 26371632), (840, 25272814), (920, 23075178), (966, 21976360), (980, 21662412), (1104, 19229315), (1127, 18836880), (1176, 18052010), (1288, 16482270), (1380, 15383452), (1470, 14441608), (1610, 13185816), (1680, 12636407), (1840, 11537589), (1932, 10988180), (1960, 10831206), (2254, 9418440), (2352, 9026005), (2415, 8790544), (2576, 8241135), (2760, 7691726), (2940, 7220804), (3220, 6592908), (3381, 6278960), (3864, 5494090), (3920, 5415603), (4508, 4709220), (4830, 4395272), (5520, 3845863), (5635, 3767376), (5880, 3610402), (6440, 3296454), (6762, 3139480), (7728, 2747045), (9016, 2354610), (9660, 2197636), (11270, 1883688), (11760, 1805201), (12880, 1648227), (13524, 1569740), (16905, 1255792), (18032, 1177305), (19320, 1098818), (22540, 941844), (27048, 784870), (33810, 627896), (38640, 549409), (45080, 470922), (54096, 392435), (67620, 313948), (78487, 270480), (90160, 235461), (135240, 156974)]