21000470447

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1607}}^1\times {\mathrm{6353}}^1$

素因数の和:7999

約数の個数: 24

約数和(自身を含む): 24460053408

約数和(自身を除く): 3459582961

約数列:

[1, 11, 17, 121, 187, 1607, 2057, 6353, 17677, 27319, 69883, 108001, 194447, 300509, 768713, 1188011, 3305599, 10209271, 13068121, 112301981, 173557607, 1235321791, 1909133677, 21000470447]

約数ペア:

[(1, 21000470447), (11, 1909133677), (17, 1235321791), (121, 173557607), (187, 112301981), (1607, 13068121), (2057, 10209271), (6353, 3305599), (17677, 1188011), (27319, 768713), (69883, 300509), (108001, 194447)]