21736708

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7537}}^1$

素因数の和:7651

約数の個数: 24

約数和(自身を含む): 43901312

約数和(自身を除く): 22164604

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7537, 15074, 30148, 52759, 105518, 211036, 776311, 1552622, 3105244, 5434177, 10868354, 21736708]

約数ペア:

[(1, 21736708), (2, 10868354), (4, 5434177), (7, 3105244), (14, 1552622), (28, 776311), (103, 211036), (206, 105518), (412, 52759), (721, 30148), (1442, 15074), (2884, 7537)]