21109202

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3371}}^1$

素因数の和:3505

約数の個数: 16

約数和(自身を含む): 33018624

約数和(自身を除く): 11909422

約数列:

[1, 2, 31, 62, 101, 202, 3131, 3371, 6262, 6742, 104501, 209002, 340471, 680942, 10554601, 21109202]

約数ペア:

[(1, 21109202), (2, 10554601), (31, 680942), (62, 340471), (101, 209002), (202, 104501), (3131, 6742), (3371, 6262)]