21936476

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{739}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 39595920

約数和(自身を除く): 17659444

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 724, 739, 1478, 2956, 7421, 14842, 29684, 30299, 60598, 121196, 133759, 267518, 535036, 5484119, 10968238, 21936476]

約数ペア:

[(1, 21936476), (2, 10968238), (4, 5484119), (41, 535036), (82, 267518), (164, 133759), (181, 121196), (362, 60598), (724, 30299), (739, 29684), (1478, 14842), (2956, 7421)]