21846591

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{20747}}^1$

素因数の和:20772

約数の個数: 20

約数和(自身を含む): 35147112

約数和(自身を除く): 13300521

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 20747, 62241, 186723, 269711, 560169, 809133, 1680507, 2427399, 7282197, 21846591]

約数ペア:

[(1, 21846591), (3, 7282197), (9, 2427399), (13, 1680507), (27, 809133), (39, 560169), (81, 269711), (117, 186723), (351, 62241), (1053, 20747)]