21336480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:484

約数の個数: 192

約数和(自身を含む): 81648000

約数和(自身を除く): 60311520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 396, 432, 440, 449, 480, 495, 528, 540, 594, 660, 720, 792, 864, 880, 898, 990, 1056, 1080, 1188, 1320, 1347, 1440, 1485, 1584, 1760, 1796, 1980, 2160, 2245, 2376, 2640, 2694, 2970, 3168, 3592, 3960, 4041, 4320, 4490, 4752, 4939, 5280, 5388, 5940, 6735, 7184, 7920, 8082, 8980, 9504, 9878, 10776, 11880, 12123, 13470, 14368, 14817, 15840, 16164, 17960, 19756, 20205, 21552, 23760, 24246, 24695, 26940, 29634, 32328, 35920, 39512, 40410, 43104, 44451, 47520, 48492, 49390, 53880, 59268, 60615, 64656, 71840, 74085, 79024, 80820, 88902, 96984, 98780, 107760, 118536, 121230, 129312, 133353, 148170, 158048, 161640, 177804, 193968, 197560, 215520, 222255, 237072, 242460, 266706, 296340, 323280, 355608, 387936, 395120, 444510, 474144, 484920, 533412, 592680, 646560, 666765, 711216, 790240, 889020, 969840, 1066824, 1185360, 1333530, 1422432, 1778040, 1939680, 2133648, 2370720, 2667060, 3556080, 4267296, 5334120, 7112160, 10668240, 21336480]

約数ペア:

[(1, 21336480), (2, 10668240), (3, 7112160), (4, 5334120), (5, 4267296), (6, 3556080), (8, 2667060), (9, 2370720), (10, 2133648), (11, 1939680), (12, 1778040), (15, 1422432), (16, 1333530), (18, 1185360), (20, 1066824), (22, 969840), (24, 889020), (27, 790240), (30, 711216), (32, 666765), (33, 646560), (36, 592680), (40, 533412), (44, 484920), (45, 474144), (48, 444510), (54, 395120), (55, 387936), (60, 355608), (66, 323280), (72, 296340), (80, 266706), (88, 242460), (90, 237072), (96, 222255), (99, 215520), (108, 197560), (110, 193968), (120, 177804), (132, 161640), (135, 158048), (144, 148170), (160, 133353), (165, 129312), (176, 121230), (180, 118536), (198, 107760), (216, 98780), (220, 96984), (240, 88902), (264, 80820), (270, 79024), (288, 74085), (297, 71840), (330, 64656), (352, 60615), (360, 59268), (396, 53880), (432, 49390), (440, 48492), (449, 47520), (480, 44451), (495, 43104), (528, 40410), (540, 39512), (594, 35920), (660, 32328), (720, 29634), (792, 26940), (864, 24695), (880, 24246), (898, 23760), (990, 21552), (1056, 20205), (1080, 19756), (1188, 17960), (1320, 16164), (1347, 15840), (1440, 14817), (1485, 14368), (1584, 13470), (1760, 12123), (1796, 11880), (1980, 10776), (2160, 9878), (2245, 9504), (2376, 8980), (2640, 8082), (2694, 7920), (2970, 7184), (3168, 6735), (3592, 5940), (3960, 5388), (4041, 5280), (4320, 4939), (4490, 4752)]