21106629

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 32686080

約数和(自身を除く): 11579451

約数列:

[1, 3, 9, 27, 31, 93, 151, 167, 279, 453, 501, 837, 1359, 1503, 4077, 4509, 4681, 5177, 14043, 15531, 25217, 42129, 46593, 75651, 126387, 139779, 226953, 680859, 781727, 2345181, 7035543, 21106629]

約数ペア:

[(1, 21106629), (3, 7035543), (9, 2345181), (27, 781727), (31, 680859), (93, 226953), (151, 139779), (167, 126387), (279, 75651), (453, 46593), (501, 42129), (837, 25217), (1359, 15531), (1503, 14043), (4077, 5177), (4509, 4681)]