21398585016

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{668873}}^1$

素因数の和:668956

約数の個数: 64

約数和(自身を含む): 56506475520

約数和(自身を除く): 35107890504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 744, 1032, 1333, 2666, 3999, 5332, 7998, 10664, 15996, 31992, 668873, 1337746, 2006619, 2675492, 4013238, 5350984, 8026476, 16052952, 20735063, 28761539, 41470126, 57523078, 62205189, 82940252, 86284617, 115046156, 124410378, 165880504, 172569234, 230092312, 248820756, 345138468, 497641512, 690276936, 891607709, 1783215418, 2674823127, 3566430836, 5349646254, 7132861672, 10699292508, 21398585016]

約数ペア:

[(1, 21398585016), (2, 10699292508), (3, 7132861672), (4, 5349646254), (6, 3566430836), (8, 2674823127), (12, 1783215418), (24, 891607709), (31, 690276936), (43, 497641512), (62, 345138468), (86, 248820756), (93, 230092312), (124, 172569234), (129, 165880504), (172, 124410378), (186, 115046156), (248, 86284617), (258, 82940252), (344, 62205189), (372, 57523078), (516, 41470126), (744, 28761539), (1032, 20735063), (1333, 16052952), (2666, 8026476), (3999, 5350984), (5332, 4013238), (7998, 2675492), (10664, 2006619), (15996, 1337746), (31992, 668873)]