21441635

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3967}}^1$

素因数の和:4042

約数の個数: 16

約数和(自身を含む): 27426816

約数和(自身を除く): 5985181

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3967, 5405, 19835, 91241, 186449, 456205, 932245, 4288327, 21441635]

約数ペア:

[(1, 21441635), (5, 4288327), (23, 932245), (47, 456205), (115, 186449), (235, 91241), (1081, 19835), (3967, 5405)]