21160916

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3389}}^1$

素因数の和:3623

約数の個数: 24

約数和(自身を含む): 42524160

約数和(自身を除く): 21363244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 3389, 6244, 6778, 13556, 23723, 47446, 94892, 755747, 1511494, 3022988, 5290229, 10580458, 21160916]

約数ペア:

[(1, 21160916), (2, 10580458), (4, 5290229), (7, 3022988), (14, 1511494), (28, 755747), (223, 94892), (446, 47446), (892, 23723), (1561, 13556), (3122, 6778), (3389, 6244)]