21426104

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2437}}^1$

素因数の和:2607

約数の個数: 32

約数和(自身を含む): 46224480

約数和(自身を除く): 24798376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 2437, 4396, 4874, 8792, 9748, 17059, 19496, 34118, 68236, 136472, 382609, 765218, 1530436, 2678263, 3060872, 5356526, 10713052, 21426104]

約数ペア:

[(1, 21426104), (2, 10713052), (4, 5356526), (7, 3060872), (8, 2678263), (14, 1530436), (28, 765218), (56, 382609), (157, 136472), (314, 68236), (628, 34118), (1099, 19496), (1256, 17059), (2198, 9748), (2437, 8792), (4396, 4874)]