21699907

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 23339008

約数和(自身を除く): 1639101

約数列:

[1, 31, 43, 73, 223, 1333, 2263, 3139, 6913, 9589, 16279, 97309, 297259, 504649, 699997, 21699907]

約数ペア:

[(1, 21699907), (31, 699997), (43, 504649), (73, 297259), (223, 97309), (1333, 16279), (2263, 9589), (3139, 6913)]