21883239

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2131}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 36363392

約数和(自身を除く): 14480153

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 2131, 3423, 6393, 10269, 14917, 19179, 44751, 134253, 347353, 1042059, 2431471, 3126177, 7294413, 21883239]

約数ペア:

[(1, 21883239), (3, 7294413), (7, 3126177), (9, 2431471), (21, 1042059), (63, 347353), (163, 134253), (489, 44751), (1141, 19179), (1467, 14917), (2131, 10269), (3423, 6393)]