21317570

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9391}}^1$

素因数の和:9625

約数の個数: 16

約数和(自身を含む): 38544768

約数和(自身を除く): 17227198

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9391, 18782, 46955, 93910, 2131757, 4263514, 10658785, 21317570]

約数ペア:

[(1, 21317570), (2, 10658785), (5, 4263514), (10, 2131757), (227, 93910), (454, 46955), (1135, 18782), (2270, 9391)]