21996825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9461}}^1$

素因数の和:9505

約数の個数: 24

約数和(自身を含む): 37545216

約数和(自身を除く): 15548391

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 9461, 28383, 47305, 141915, 236525, 293291, 709575, 879873, 1466455, 4399365, 7332275, 21996825]

約数ペア:

[(1, 21996825), (3, 7332275), (5, 4399365), (15, 1466455), (25, 879873), (31, 709575), (75, 293291), (93, 236525), (155, 141915), (465, 47305), (775, 28383), (2325, 9461)]