21400946

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1667}}^1$

素因数の和:1814

約数の個数: 24

約数和(自身を含む): 37650096

約数和(自身を除く): 16249150

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1667, 1834, 3334, 6419, 11669, 12838, 23338, 81683, 163366, 218377, 436754, 1528639, 3057278, 10700473, 21400946]

約数ペア:

[(1, 21400946), (2, 10700473), (7, 3057278), (14, 1528639), (49, 436754), (98, 218377), (131, 163366), (262, 81683), (917, 23338), (1667, 12838), (1834, 11669), (3334, 6419)]