21930783

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{773}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 34235568

約数和(自身を除く): 12304785

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 773, 1351, 2319, 4053, 5411, 9457, 16233, 28371, 37877, 113631, 149189, 447567, 1044323, 3132969, 7310261, 21930783]

約数ペア:

[(1, 21930783), (3, 7310261), (7, 3132969), (21, 1044323), (49, 447567), (147, 149189), (193, 113631), (579, 37877), (773, 28371), (1351, 16233), (2319, 9457), (4053, 5411)]