21962540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{6067}}^1$

素因数の和:6257

約数の個数: 24

約数和(自身を含む): 46383792

約数和(自身を除く): 24421252

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 6067, 12134, 24268, 30335, 60670, 121340, 1098127, 2196254, 4392508, 5490635, 10981270, 21962540]

約数ペア:

[(1, 21962540), (2, 10981270), (4, 5490635), (5, 4392508), (10, 2196254), (20, 1098127), (181, 121340), (362, 60670), (724, 30335), (905, 24268), (1810, 12134), (3620, 6067)]