21637382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12421}}^1$

素因数の和:12503

約数の個数: 16

約数和(自身を含む): 35477232

約数和(自身を除く): 13839850

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12421, 24842, 161473, 322946, 832207, 1664414, 10818691, 21637382]

約数ペア:

[(1, 21637382), (2, 10818691), (13, 1664414), (26, 832207), (67, 322946), (134, 161473), (871, 24842), (1742, 12421)]