21672585

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43783}}^1$

素因数の和:43805

約数の個数: 24

約数和(自身を含む): 40981824

約数和(自身を除く): 19309239

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43783, 131349, 218915, 394047, 481613, 656745, 1444839, 1970235, 2408065, 4334517, 7224195, 21672585]

約数ペア:

[(1, 21672585), (3, 7224195), (5, 4334517), (9, 2408065), (11, 1970235), (15, 1444839), (33, 656745), (45, 481613), (55, 394047), (99, 218915), (165, 131349), (495, 43783)]