21897336

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8527}}^1$

素因数の和:8643

約数の個数: 32

約数和(自身を含む): 55261440

約数和(自身を除く): 33364104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8527, 17054, 25581, 34108, 51162, 68216, 102324, 204648, 912389, 1824778, 2737167, 3649556, 5474334, 7299112, 10948668, 21897336]

約数ペア:

[(1, 21897336), (2, 10948668), (3, 7299112), (4, 5474334), (6, 3649556), (8, 2737167), (12, 1824778), (24, 912389), (107, 204648), (214, 102324), (321, 68216), (428, 51162), (642, 34108), (856, 25581), (1284, 17054), (2568, 8527)]