21182068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1721}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 39488904

約数和(自身を除く): 18306836

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1721, 3077, 3442, 6154, 6884, 12308, 29257, 58514, 117028, 311501, 623002, 1246004, 5295517, 10591034, 21182068]

約数ペア:

[(1, 21182068), (2, 10591034), (4, 5295517), (17, 1246004), (34, 623002), (68, 311501), (181, 117028), (362, 58514), (724, 29257), (1721, 12308), (3077, 6884), (3442, 6154)]