21237004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{643}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 17712116

約数列:

[1, 2, 4, 23, 46, 92, 359, 643, 718, 1286, 1436, 2572, 8257, 14789, 16514, 29578, 33028, 59156, 230837, 461674, 923348, 5309251, 10618502, 21237004]

約数ペア:

[(1, 21237004), (2, 10618502), (4, 5309251), (23, 923348), (46, 461674), (92, 230837), (359, 59156), (643, 33028), (718, 29578), (1286, 16514), (1436, 14789), (2572, 8257)]