21934510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12979}}^1$

素因数の和:13012

約数の個数: 24

約数和(自身を含む): 42756120

約数和(自身を除く): 20821610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 12979, 25958, 64895, 129790, 168727, 337454, 843635, 1687270, 2193451, 4386902, 10967255, 21934510]

約数ペア:

[(1, 21934510), (2, 10967255), (5, 4386902), (10, 2193451), (13, 1687270), (26, 843635), (65, 337454), (130, 168727), (169, 129790), (338, 64895), (845, 25958), (1690, 12979)]