21000886414060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2459120189}}^1$

素因数の和:2459120266

約数の個数: 48

約数和(自身を含む): 51228391798080

約数和(自身を除く): 30227505384020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 2459120189, 4918240378, 9836480756, 12295600945, 17213841323, 24591201890, 34427682646, 49182403780, 68855365292, 86069206615, 150006331529, 172138413230, 300012663058, 344276826460, 600025326116, 750031657645, 1050044320703, 1500063315290, 2100088641406, 3000126630580, 4200177282812, 5250221603515, 10500443207030, 21000886414060]

約数ペア:

[(1, 21000886414060), (2, 10500443207030), (4, 5250221603515), (5, 4200177282812), (7, 3000126630580), (10, 2100088641406), (14, 1500063315290), (20, 1050044320703), (28, 750031657645), (35, 600025326116), (61, 344276826460), (70, 300012663058), (122, 172138413230), (140, 150006331529), (244, 86069206615), (305, 68855365292), (427, 49182403780), (610, 34427682646), (854, 24591201890), (1220, 17213841323), (1708, 12295600945), (2135, 9836480756), (4270, 4918240378), (8540, 2459120189)]