21122828

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 37669632

約数和(自身を除く): 16546804

約数列:

[1, 2, 4, 103, 167, 206, 307, 334, 412, 614, 668, 1228, 17201, 31621, 34402, 51269, 63242, 68804, 102538, 126484, 205076, 5280707, 10561414, 21122828]

約数ペア:

[(1, 21122828), (2, 10561414), (4, 5280707), (103, 205076), (167, 126484), (206, 102538), (307, 68804), (334, 63242), (412, 51269), (614, 34402), (668, 31621), (1228, 17201)]