21520104

素因数分解:

$2^3\times 3^1\times {\mathrm{281}}^1\times {\mathrm{3191}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 54008640

約数和(自身を除く): 32488536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 281, 562, 843, 1124, 1686, 2248, 3191, 3372, 6382, 6744, 9573, 12764, 19146, 25528, 38292, 76584, 896671, 1793342, 2690013, 3586684, 5380026, 7173368, 10760052, 21520104]

約数ペア:

[(1, 21520104), (2, 10760052), (3, 7173368), (4, 5380026), (6, 3586684), (8, 2690013), (12, 1793342), (24, 896671), (281, 76584), (562, 38292), (843, 25528), (1124, 19146), (1686, 12764), (2248, 9573), (3191, 6744), (3372, 6382)]