21490205280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{418423}}^1$

素因数の和:418548

約数の個数: 96

約数和(自身を含む): 68326965504

約数和(自身を除く): 46836760224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 107, 120, 160, 214, 240, 321, 428, 480, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3210, 3424, 4280, 5136, 6420, 8560, 10272, 12840, 17120, 25680, 51360, 418423, 836846, 1255269, 1673692, 2092115, 2510538, 3347384, 4184230, 5021076, 6276345, 6694768, 8368460, 10042152, 12552690, 13389536, 16736920, 20084304, 25105380, 33473840, 40168608, 44771261, 50210760, 66947680, 89542522, 100421520, 134313783, 179085044, 200843040, 223856305, 268627566, 358170088, 447712610, 537255132, 671568915, 716340176, 895425220, 1074510264, 1343137830, 1432680352, 1790850440, 2149020528, 2686275660, 3581700880, 4298041056, 5372551320, 7163401760, 10745102640, 21490205280]

約数ペア:

[(1, 21490205280), (2, 10745102640), (3, 7163401760), (4, 5372551320), (5, 4298041056), (6, 3581700880), (8, 2686275660), (10, 2149020528), (12, 1790850440), (15, 1432680352), (16, 1343137830), (20, 1074510264), (24, 895425220), (30, 716340176), (32, 671568915), (40, 537255132), (48, 447712610), (60, 358170088), (80, 268627566), (96, 223856305), (107, 200843040), (120, 179085044), (160, 134313783), (214, 100421520), (240, 89542522), (321, 66947680), (428, 50210760), (480, 44771261), (535, 40168608), (642, 33473840), (856, 25105380), (1070, 20084304), (1284, 16736920), (1605, 13389536), (1712, 12552690), (2140, 10042152), (2568, 8368460), (3210, 6694768), (3424, 6276345), (4280, 5021076), (5136, 4184230), (6420, 3347384), (8560, 2510538), (10272, 2092115), (12840, 1673692), (17120, 1255269), (25680, 836846), (51360, 418423)]