21876164

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 39436320

約数和(自身を除く): 17560156

約数列:

[1, 2, 4, 43, 86, 172, 193, 386, 659, 772, 1318, 2636, 8299, 16598, 28337, 33196, 56674, 113348, 127187, 254374, 508748, 5469041, 10938082, 21876164]

約数ペア:

[(1, 21876164), (2, 10938082), (4, 5469041), (43, 508748), (86, 254374), (172, 127187), (193, 113348), (386, 56674), (659, 33196), (772, 28337), (1318, 16598), (2636, 8299)]