21917404

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{54251}}^1$

素因数の和:54356

約数の個数: 12

約数和(自身を含む): 38735928

約数和(自身を除く): 16818524

約数列:

[1, 2, 4, 101, 202, 404, 54251, 108502, 217004, 5479351, 10958702, 21917404]

約数ペア:

[(1, 21917404), (2, 10958702), (4, 5479351), (101, 217004), (202, 108502), (404, 54251)]