21006458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56167}}^1$

素因数の和:56197

約数の個数: 16

約数和(自身を含む): 36396864

約数和(自身を除く): 15390406

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56167, 112334, 617837, 954839, 1235674, 1909678, 10503229, 21006458]

約数ペア:

[(1, 21006458), (2, 10503229), (11, 1909678), (17, 1235674), (22, 954839), (34, 617837), (187, 112334), (374, 56167)]