21489153

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44491}}^1$

素因数の和:44524

約数の個数: 16

約数和(自身を含む): 34169856

約数和(自身を除く): 12680703

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44491, 133473, 311437, 934311, 1023293, 3069879, 7163051, 21489153]

約数ペア:

[(1, 21489153), (3, 7163051), (7, 3069879), (21, 1023293), (23, 934311), (69, 311437), (161, 133473), (483, 44491)]