21054078

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3761}}^1$

素因数の和:4080

約数の個数: 24

約数和(自身を含む): 45776016

約数和(自身を除く): 24721938

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3761, 5598, 7522, 11283, 22566, 33849, 67698, 1169671, 2339342, 3509013, 7018026, 10527039, 21054078]

約数ペア:

[(1, 21054078), (2, 10527039), (3, 7018026), (6, 3509013), (9, 2339342), (18, 1169671), (311, 67698), (622, 33849), (933, 22566), (1866, 11283), (2799, 7522), (3761, 5598)]