21647577

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44819}}^1$

素因数の和:44852

約数の個数: 16

約数和(自身を含む): 34421760

約数和(自身を除く): 12774183

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44819, 134457, 313733, 941199, 1030837, 3092511, 7215859, 21647577]

約数ペア:

[(1, 21647577), (3, 7215859), (7, 3092511), (21, 1030837), (23, 941199), (69, 313733), (161, 134457), (483, 44819)]