21113512

素因数分解:

$2^3\times 7^2\times {\mathrm{53861}}^1$

素因数の和:53881

約数の個数: 24

約数和(自身を含む): 46052010

約数和(自身を除く): 24938498

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53861, 107722, 215444, 377027, 430888, 754054, 1508108, 2639189, 3016216, 5278378, 10556756, 21113512]

約数ペア:

[(1, 21113512), (2, 10556756), (4, 5278378), (7, 3016216), (8, 2639189), (14, 1508108), (28, 754054), (49, 430888), (56, 377027), (98, 215444), (196, 107722), (392, 53861)]