21780453635

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{586363}}^1$

素因数の和:586427

約数の個数: 32

約数和(自身を含む): 30397109760

約数和(自身を除く): 8616656125

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 391, 437, 1615, 1955, 2185, 7429, 37145, 586363, 2931815, 9968171, 11140897, 13486349, 49840855, 55704485, 67431745, 189395249, 229267933, 256240631, 946976245, 1146339665, 1281203155, 4356090727, 21780453635]

約数ペア:

[(1, 21780453635), (5, 4356090727), (17, 1281203155), (19, 1146339665), (23, 946976245), (85, 256240631), (95, 229267933), (115, 189395249), (323, 67431745), (391, 55704485), (437, 49840855), (1615, 13486349), (1955, 11140897), (2185, 9968171), (7429, 2931815), (37145, 586363)]