21921246

素因数分解:

$2^1\times 3^3\times {\mathrm{405949}}^1$

素因数の和:405960

約数の個数: 16

約数和(自身を含む): 48714000

約数和(自身を除く): 26792754

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405949, 811898, 1217847, 2435694, 3653541, 7307082, 10960623, 21921246]

約数ペア:

[(1, 21921246), (2, 10960623), (3, 7307082), (6, 3653541), (9, 2435694), (18, 1217847), (27, 811898), (54, 405949)]