21667129

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 3613511

約数列:

[1, 11, 17, 109, 187, 1063, 1199, 1853, 11693, 18071, 20383, 115867, 198781, 1274537, 1969739, 21667129]

約数ペア:

[(1, 21667129), (11, 1969739), (17, 1274537), (109, 198781), (187, 115867), (1063, 20383), (1199, 18071), (1853, 11693)]