21093730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10391}}^1$

素因数の和:10434

約数の個数: 32

約数和(自身を含む): 44893440

約数和(自身を除く): 23799710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10391, 20782, 51955, 72737, 103910, 145474, 301339, 363685, 602678, 727370, 1506695, 2109373, 3013390, 4218746, 10546865, 21093730]

約数ペア:

[(1, 21093730), (2, 10546865), (5, 4218746), (7, 3013390), (10, 2109373), (14, 1506695), (29, 727370), (35, 602678), (58, 363685), (70, 301339), (145, 145474), (203, 103910), (290, 72737), (406, 51955), (1015, 20782), (2030, 10391)]