21554631

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2099}}^1$

素因数の和:2275

約数の個数: 24

約数和(自身を含む): 35817600

約数和(自身を除く): 14262969

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 2099, 3423, 6297, 10269, 14693, 18891, 44079, 132237, 342137, 1026411, 2394959, 3079233, 7184877, 21554631]

約数ペア:

[(1, 21554631), (3, 7184877), (7, 3079233), (9, 2394959), (21, 1026411), (63, 342137), (163, 132237), (489, 44079), (1141, 18891), (1467, 14693), (2099, 10269), (3423, 6297)]