21928010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168677}}^1$

素因数の和:168697

約数の個数: 16

約数和(自身を含む): 42506856

約数和(自身を除く): 20578846

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 168677, 337354, 843385, 1686770, 2192801, 4385602, 10964005, 21928010]

約数ペア:

[(1, 21928010), (2, 10964005), (5, 4385602), (10, 2192801), (13, 1686770), (26, 843385), (65, 337354), (130, 168677)]