21284866

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 32472000

約数和(自身を除く): 11187134

約数列:

[1, 2, 109, 163, 218, 326, 599, 1198, 17767, 35534, 65291, 97637, 130582, 195274, 10642433, 21284866]

約数ペア:

[(1, 21284866), (2, 10642433), (109, 195274), (163, 130582), (218, 97637), (326, 65291), (599, 35534), (1198, 17767)]