21652521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15259}}^1$

素因数の和:15316

約数の個数: 16

約数和(自身を含む): 32229120

約数和(自身を除く): 10576599

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 15259, 45777, 167849, 503547, 656137, 1968411, 7217507, 21652521]

約数ペア:

[(1, 21652521), (3, 7217507), (11, 1968411), (33, 656137), (43, 503547), (129, 167849), (473, 45777), (1419, 15259)]