21299562

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7537}}^1$

素因数の和:7702

約数の個数: 24

約数和(自身を含む): 46449156

約数和(自身を除く): 25149594

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7537, 15074, 22611, 45222, 67833, 135666, 1183309, 2366618, 3549927, 7099854, 10649781, 21299562]

約数ペア:

[(1, 21299562), (2, 10649781), (3, 7099854), (6, 3549927), (9, 2366618), (18, 1183309), (157, 135666), (314, 67833), (471, 45222), (942, 22611), (1413, 15074), (2826, 7537)]