21318858

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107671}}^1$

素因数の和:107690

約数の個数: 24

約数和(自身を含む): 50390496

約数和(自身を除く): 29071638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 107671, 215342, 323013, 646026, 969039, 1184381, 1938078, 2368762, 3553143, 7106286, 10659429, 21318858]

約数ペア:

[(1, 21318858), (2, 10659429), (3, 7106286), (6, 3553143), (9, 2368762), (11, 1938078), (18, 1184381), (22, 969039), (33, 646026), (66, 323013), (99, 215342), (198, 107671)]