21492153

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 32135688

約数和(自身を除く): 10643535

約数列:

[1, 3, 9, 37, 111, 233, 277, 333, 699, 831, 2097, 2493, 8621, 10249, 25863, 30747, 64541, 77589, 92241, 193623, 580869, 2388017, 7164051, 21492153]

約数ペア:

[(1, 21492153), (3, 7164051), (9, 2388017), (37, 580869), (111, 193623), (233, 92241), (277, 77589), (333, 64541), (699, 30747), (831, 25863), (2097, 10249), (2493, 8621)]