21464620

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1531}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 45169488

約数和(自身を除く): 23704868

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 1531, 2804, 3062, 3505, 6124, 7010, 7655, 14020, 15310, 30620, 1073231, 2146462, 4292924, 5366155, 10732310, 21464620]

約数ペア:

[(1, 21464620), (2, 10732310), (4, 5366155), (5, 4292924), (10, 2146462), (20, 1073231), (701, 30620), (1402, 15310), (1531, 14020), (2804, 7655), (3062, 7010), (3505, 6124)]