21726670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1471}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 44937216

約数和(自身を除く): 23210546

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1471, 1477, 2110, 2942, 2954, 7355, 7385, 10297, 14710, 14770, 20594, 51485, 102970, 310381, 620762, 1551905, 2172667, 3103810, 4345334, 10863335, 21726670]

約数ペア:

[(1, 21726670), (2, 10863335), (5, 4345334), (7, 3103810), (10, 2172667), (14, 1551905), (35, 620762), (70, 310381), (211, 102970), (422, 51485), (1055, 20594), (1471, 14770), (1477, 14710), (2110, 10297), (2942, 7385), (2954, 7355)]