21695726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2521}}^1$

素因数の和:2867

約数の個数: 16

約数和(自身を含む): 35166768

約数和(自身を除く): 13471042

約数列:

[1, 2, 13, 26, 331, 662, 2521, 4303, 5042, 8606, 32773, 65546, 834451, 1668902, 10847863, 21695726]

約数ペア:

[(1, 21695726), (2, 10847863), (13, 1668902), (26, 834451), (331, 65546), (662, 32773), (2521, 8606), (4303, 5042)]