21083699

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{523}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 26057472

約数和(自身を除く): 4973773

約数列:

[1, 7, 13, 91, 443, 523, 3101, 3661, 5759, 6799, 40313, 47593, 231689, 1621823, 3011957, 21083699]

約数ペア:

[(1, 21083699), (7, 3011957), (13, 1621823), (91, 231689), (443, 47593), (523, 40313), (3101, 6799), (3661, 5759)]