21175188

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 51104256

約数和(自身を除く): 29929068

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 193, 223, 246, 386, 446, 492, 579, 669, 772, 892, 1158, 1338, 2316, 2676, 7913, 9143, 15826, 18286, 23739, 27429, 31652, 36572, 43039, 47478, 54858, 86078, 94956, 109716, 129117, 172156, 258234, 516468, 1764599, 3529198, 5293797, 7058396, 10587594, 21175188]

約数ペア:

[(1, 21175188), (2, 10587594), (3, 7058396), (4, 5293797), (6, 3529198), (12, 1764599), (41, 516468), (82, 258234), (123, 172156), (164, 129117), (193, 109716), (223, 94956), (246, 86078), (386, 54858), (446, 47478), (492, 43039), (579, 36572), (669, 31652), (772, 27429), (892, 23739), (1158, 18286), (1338, 15826), (2316, 9143), (2676, 7913)]