21231122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20533}}^1$

素因数の和:20593

約数の個数: 16

約数和(自身を含む): 35482752

約数和(自身を除く): 14251630

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20533, 41066, 225863, 451726, 965051, 1930102, 10615561, 21231122]

約数ペア:

[(1, 21231122), (2, 10615561), (11, 1930102), (22, 965051), (47, 451726), (94, 225863), (517, 41066), (1034, 20533)]