21271105

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 26176464

約数和(自身を除く): 4905359

約数列:

[1, 5, 73, 101, 365, 505, 577, 2885, 7373, 36865, 42121, 58277, 210605, 291385, 4254221, 21271105]

約数ペア:

[(1, 21271105), (5, 4254221), (73, 291385), (101, 210605), (365, 58277), (505, 42121), (577, 36865), (2885, 7373)]