21493348

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1579}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 17526332

約数列:

[1, 2, 4, 41, 82, 83, 164, 166, 332, 1579, 3158, 3403, 6316, 6806, 13612, 64739, 129478, 131057, 258956, 262114, 524228, 5373337, 10746674, 21493348]

約数ペア:

[(1, 21493348), (2, 10746674), (4, 5373337), (41, 524228), (82, 262114), (83, 258956), (164, 131057), (166, 129478), (332, 64739), (1579, 13612), (3158, 6806), (3403, 6316)]