21940501

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 25027200

約数和(自身を除く): 3086699

約数列:

[1, 11, 29, 109, 319, 631, 1199, 3161, 6941, 18299, 34771, 68779, 201289, 756569, 1994591, 21940501]

約数ペア:

[(1, 21940501), (11, 1994591), (29, 756569), (109, 201289), (319, 68779), (631, 34771), (1199, 18299), (3161, 6941)]