21865128

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53591}}^1$

素因数の和:53617

約数の個数: 32

約数和(自身を含む): 57879360

約数和(自身を除く): 36014232

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 53591, 107182, 160773, 214364, 321546, 428728, 643092, 911047, 1286184, 1822094, 2733141, 3644188, 5466282, 7288376, 10932564, 21865128]

約数ペア:

[(1, 21865128), (2, 10932564), (3, 7288376), (4, 5466282), (6, 3644188), (8, 2733141), (12, 1822094), (17, 1286184), (24, 911047), (34, 643092), (51, 428728), (68, 321546), (102, 214364), (136, 160773), (204, 107182), (408, 53591)]