21113674

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3539}}^1$

素因数の和:3717

約数の個数: 16

約数和(自身を含む): 33559200

約数和(自身を除く): 12445526

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3539, 5966, 7078, 67241, 134482, 555623, 1111246, 10556837, 21113674]

約数ペア:

[(1, 21113674), (2, 10556837), (19, 1111246), (38, 555623), (157, 134482), (314, 67241), (2983, 7078), (3539, 5966)]