21445668

素因数分解:

$2^2\times 3^3\times {\mathrm{198571}}^1$

素因数の和:198584

約数の個数: 24

約数和(自身を含む): 55600160

約数和(自身を除く): 34154492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 198571, 397142, 595713, 794284, 1191426, 1787139, 2382852, 3574278, 5361417, 7148556, 10722834, 21445668]

約数ペア:

[(1, 21445668), (2, 10722834), (3, 7148556), (4, 5361417), (6, 3574278), (9, 2382852), (12, 1787139), (18, 1191426), (27, 794284), (36, 595713), (54, 397142), (108, 198571)]