21790594

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5171}}^1$

素因数の和:5230

約数の個数: 24

約数和(自身を含む): 38914128

約数和(自身を除く): 17123534

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5171, 10342, 36197, 72394, 222353, 253379, 444706, 506758, 1556471, 3112942, 10895297, 21790594]

約数ペア:

[(1, 21790594), (2, 10895297), (7, 3112942), (14, 1556471), (43, 506758), (49, 444706), (86, 253379), (98, 222353), (301, 72394), (602, 36197), (2107, 10342), (4214, 5171)]