21305358

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10859}}^1$

素因数の和:10976

約数の個数: 24

約数和(自身を含む): 46589400

約数和(自身を除く): 25284042

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10859, 21718, 32577, 65154, 97731, 195462, 1183631, 2367262, 3550893, 7101786, 10652679, 21305358]

約数ペア:

[(1, 21305358), (2, 10652679), (3, 7101786), (6, 3550893), (9, 2367262), (18, 1183631), (109, 195462), (218, 97731), (327, 65154), (654, 32577), (981, 21718), (1962, 10859)]