21003802

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1223}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 32666112

約数和(自身を除く): 11662310

約数列:

[1, 2, 31, 62, 277, 554, 1223, 2446, 8587, 17174, 37913, 75826, 338771, 677542, 10501901, 21003802]

約数ペア:

[(1, 21003802), (2, 10501901), (31, 677542), (62, 338771), (277, 75826), (554, 37913), (1223, 17174), (2446, 8587)]