21393776

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{2029}}^1$

素因数の和:2696

約数の個数: 20

約数和(自身を含む): 41533800

約数和(自身を除く): 20140024

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2029, 2636, 4058, 5272, 8116, 10544, 16232, 32464, 1337111, 2674222, 5348444, 10696888, 21393776]

約数ペア:

[(1, 21393776), (2, 10696888), (4, 5348444), (8, 2674222), (16, 1337111), (659, 32464), (1318, 16232), (2029, 10544), (2636, 8116), (4058, 5272)]