21237073

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 26276544

約数和(自身を除く): 5039471

約数列:

[1, 11, 13, 23, 121, 143, 253, 299, 587, 1573, 2783, 3289, 6457, 7631, 13501, 36179, 71027, 83941, 148511, 175513, 923351, 1633621, 1930643, 21237073]

約数ペア:

[(1, 21237073), (11, 1930643), (13, 1633621), (23, 923351), (121, 175513), (143, 148511), (253, 83941), (299, 71027), (587, 36179), (1573, 13501), (2783, 7631), (3289, 6457)]