21966760

素因数分解:

$2^3\times 5^1\times {\mathrm{549169}}^1$

素因数の和:549180

約数の個数: 16

約数和(自身を含む): 49425300

約数和(自身を除く): 27458540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 549169, 1098338, 2196676, 2745845, 4393352, 5491690, 10983380, 21966760]

約数ペア:

[(1, 21966760), (2, 10983380), (4, 5491690), (5, 4393352), (8, 2745845), (10, 2196676), (20, 1098338), (40, 549169)]