21310686

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1847}}^1$

素因数の和:2496

約数の個数: 24

約数和(自身を含む): 46270224

約数和(自身を除く): 24959538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1847, 1923, 3694, 3846, 5541, 5769, 11082, 11538, 16623, 33246, 1183927, 2367854, 3551781, 7103562, 10655343, 21310686]

約数ペア:

[(1, 21310686), (2, 10655343), (3, 7103562), (6, 3551781), (9, 2367854), (18, 1183927), (641, 33246), (1282, 16623), (1847, 11538), (1923, 11082), (3694, 5769), (3846, 5541)]