21000332176

素因数分解:

$2^4\times {\mathrm{773}}^1\times {\mathrm{1697957}}^1$

素因数の和:1698738

約数の個数: 20

約数和(自身を含む): 40740804252

約数和(自身を除く): 19740472076

約数列:

[1, 2, 4, 8, 16, 773, 1546, 3092, 6184, 12368, 1697957, 3395914, 6791828, 13583656, 27167312, 1312520761, 2625041522, 5250083044, 10500166088, 21000332176]

約数ペア:

[(1, 21000332176), (2, 10500166088), (4, 5250083044), (8, 2625041522), (16, 1312520761), (773, 27167312), (1546, 13583656), (3092, 6791828), (6184, 3395914), (12368, 1697957)]