21000844467

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{3229}}^1\times {\mathrm{19531}}^1$

素因数の和:22803

約数の個数: 24

約数和(自身を含む): 31165649840

約数和(自身を除く): 10164805373

約数列:

[1, 3, 9, 37, 111, 333, 3229, 9687, 19531, 29061, 58593, 119473, 175779, 358419, 722647, 1075257, 2167941, 6503823, 63065599, 189196797, 567590391, 2333427163, 7000281489, 21000844467]

約数ペア:

[(1, 21000844467), (3, 7000281489), (9, 2333427163), (37, 567590391), (111, 189196797), (333, 63065599), (3229, 6503823), (9687, 2167941), (19531, 1075257), (29061, 722647), (58593, 358419), (119473, 175779)]