21000983969

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{4133}}^1\times {\mathrm{25031}}^1$

素因数の和:29200

約数の個数: 16

約数和(自身を含む): 24835749120

約数和(自身を除く): 3834765151

約数列:

[1, 7, 29, 203, 4133, 25031, 28931, 119857, 175217, 725899, 838999, 5081293, 103453123, 724171861, 3000140567, 21000983969]

約数ペア:

[(1, 21000983969), (7, 3000140567), (29, 724171861), (203, 103453123), (4133, 5081293), (25031, 838999), (28931, 725899), (119857, 175217)]