21415372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{486713}}^1$

素因数の和:486728

約数の個数: 12

約数和(自身を含む): 40883976

約数和(自身を除く): 19468604

約数列:

[1, 2, 4, 11, 22, 44, 486713, 973426, 1946852, 5353843, 10707686, 21415372]

約数ペア:

[(1, 21415372), (2, 10707686), (4, 5353843), (11, 1946852), (22, 973426), (44, 486713)]