21485152

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51647}}^1$

素因数の和:51670

約数の個数: 24

約数和(自身を含む): 45553536

約数和(自身を除く): 24068384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51647, 103294, 206588, 413176, 671411, 826352, 1342822, 1652704, 2685644, 5371288, 10742576, 21485152]

約数ペア:

[(1, 21485152), (2, 10742576), (4, 5371288), (8, 2685644), (13, 1652704), (16, 1342822), (26, 826352), (32, 671411), (52, 413176), (104, 206588), (208, 103294), (416, 51647)]