21840584

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{17389}}^1$

素因数の和:17552

約数の個数: 16

約数和(自身を含む): 41214300

約数和(自身を除く): 19373716

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 17389, 34778, 69556, 139112, 2730073, 5460146, 10920292, 21840584]

約数ペア:

[(1, 21840584), (2, 10920292), (4, 5460146), (8, 2730073), (157, 139112), (314, 69556), (628, 34778), (1256, 17389)]