21437495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1423}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 27067392

約数和(自身を除く): 5629897

約数列:

[1, 5, 23, 115, 131, 655, 1423, 3013, 7115, 15065, 32729, 163645, 186413, 932065, 4287499, 21437495]

約数ペア:

[(1, 21437495), (5, 4287499), (23, 932065), (115, 186413), (131, 163645), (655, 32729), (1423, 15065), (3013, 7115)]