21175466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11471}}^1$

素因数の和:11557

約数の個数: 16

約数和(自身を含む): 34691328

約数和(自身を除く): 13515862

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11471, 22942, 149123, 298246, 814441, 1628882, 10587733, 21175466]

約数ペア:

[(1, 21175466), (2, 10587733), (13, 1628882), (26, 814441), (71, 298246), (142, 149123), (923, 22942), (1846, 11471)]