21629740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98317}}^1$

素因数の和:98337

約数の個数: 24

約数和(自身を含む): 49552272

約数和(自身を除く): 27922532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98317, 196634, 393268, 491585, 983170, 1081487, 1966340, 2162974, 4325948, 5407435, 10814870, 21629740]

約数ペア:

[(1, 21629740), (2, 10814870), (4, 5407435), (5, 4325948), (10, 2162974), (11, 1966340), (20, 1081487), (22, 983170), (44, 491585), (55, 393268), (110, 196634), (220, 98317)]