21356817088

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4980601}}^1$

素因数の和:4980680

約数の個数: 28

約数和(自身を含む): 43012478872

約数和(自身を除く): 21655661784

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4980601, 9961202, 19922404, 39844808, 79689616, 159379232, 318758464, 333700267, 667400534, 1334801068, 2669602136, 5339204272, 10678408544, 21356817088]

約数ペア:

[(1, 21356817088), (2, 10678408544), (4, 5339204272), (8, 2669602136), (16, 1334801068), (32, 667400534), (64, 333700267), (67, 318758464), (134, 159379232), (268, 79689616), (536, 39844808), (1072, 19922404), (2144, 9961202), (4288, 4980601)]