21027052

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1123}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 38269952

約数和(自身を除く): 17242900

約数列:

[1, 2, 4, 31, 62, 124, 151, 302, 604, 1123, 2246, 4492, 4681, 9362, 18724, 34813, 69626, 139252, 169573, 339146, 678292, 5256763, 10513526, 21027052]

約数ペア:

[(1, 21027052), (2, 10513526), (4, 5256763), (31, 678292), (62, 339146), (124, 169573), (151, 139252), (302, 69626), (604, 34813), (1123, 18724), (2246, 9362), (4492, 4681)]