21061012

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3373}}^1$

素因数の和:3607

約数の個数: 24

約数和(自身を含む): 42323456

約数和(自身を除く): 21262444

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3373, 6244, 6746, 13492, 23611, 47222, 94444, 752179, 1504358, 3008716, 5265253, 10530506, 21061012]

約数ペア:

[(1, 21061012), (2, 10530506), (4, 5265253), (7, 3008716), (14, 1504358), (28, 752179), (223, 94444), (446, 47222), (892, 23611), (1561, 13492), (3122, 6746), (3373, 6244)]