21461972

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26431}}^1$

素因数の和:26471

約数の個数: 24

約数和(自身を含む): 44405760

約数和(自身を除く): 22943788

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26431, 52862, 105724, 185017, 370034, 740068, 766499, 1532998, 3065996, 5365493, 10730986, 21461972]

約数ペア:

[(1, 21461972), (2, 10730986), (4, 5365493), (7, 3065996), (14, 1532998), (28, 766499), (29, 740068), (58, 370034), (116, 185017), (203, 105724), (406, 52862), (812, 26431)]