21963906

素因数分解:

$2^1\times 3^3\times {\mathrm{406739}}^1$

素因数の和:406750

約数の個数: 16

約数和(自身を含む): 48808800

約数和(自身を除く): 26844894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 406739, 813478, 1220217, 2440434, 3660651, 7321302, 10981953, 21963906]

約数ペア:

[(1, 21963906), (2, 10981953), (3, 7321302), (6, 3660651), (9, 2440434), (18, 1220217), (27, 813478), (54, 406739)]