21926289

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8629}}^1$

素因数の和:8661

約数の個数: 24

約数和(自身を含む): 36729280

約数和(自身を除く): 14802991

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 8629, 25887, 60403, 94919, 181209, 284757, 664433, 1044109, 1993299, 3132327, 7308763, 21926289]

約数ペア:

[(1, 21926289), (3, 7308763), (7, 3132327), (11, 1993299), (21, 1044109), (33, 664433), (77, 284757), (121, 181209), (231, 94919), (363, 60403), (847, 25887), (2541, 8629)]