21756570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65929}}^1$

素因数の和:65950

約数の個数: 32

約数和(自身を含む): 56963520

約数和(自身を除く): 35206950

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65929, 131858, 197787, 329645, 395574, 659290, 725219, 988935, 1450438, 1977870, 2175657, 3626095, 4351314, 7252190, 10878285, 21756570]

約数ペア:

[(1, 21756570), (2, 10878285), (3, 7252190), (5, 4351314), (6, 3626095), (10, 2175657), (11, 1977870), (15, 1450438), (22, 988935), (30, 725219), (33, 659290), (55, 395574), (66, 329645), (110, 197787), (165, 131858), (330, 65929)]