21579102

素因数分解:

$2^1\times 3^3\times {\mathrm{399613}}^1$

素因数の和:399624

約数の個数: 16

約数和(自身を含む): 47953680

約数和(自身を除く): 26374578

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 399613, 799226, 1198839, 2397678, 3596517, 7193034, 10789551, 21579102]

約数ペア:

[(1, 21579102), (2, 10789551), (3, 7193034), (6, 3596517), (9, 2397678), (18, 1198839), (27, 799226), (54, 399613)]