21931623

素因数分解:

$3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1033}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 36347168

約数和(自身を除く): 14415545

約数列:

[1, 3, 7, 9, 21, 63, 337, 1011, 1033, 2359, 3033, 3099, 7077, 7231, 9297, 21231, 21693, 65079, 348121, 1044363, 2436847, 3133089, 7310541, 21931623]

約数ペア:

[(1, 21931623), (3, 7310541), (7, 3133089), (9, 2436847), (21, 1044363), (63, 348121), (337, 65079), (1011, 21693), (1033, 21231), (2359, 9297), (3033, 7231), (3099, 7077)]