21701745

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37097}}^1$

素因数の和:37121

約数の個数: 24

約数和(自身を含む): 40511016

約数和(自身を除く): 18809271

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37097, 111291, 185485, 333873, 482261, 556455, 1446783, 1669365, 2411305, 4340349, 7233915, 21701745]

約数ペア:

[(1, 21701745), (3, 7233915), (5, 4340349), (9, 2411305), (13, 1669365), (15, 1446783), (39, 556455), (45, 482261), (65, 333873), (117, 185485), (195, 111291), (585, 37097)]