21224585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5807}}^1$

素因数の和:5872

約数の個数: 16

約数和(自身を含む): 27599616

約数和(自身を除く): 6375031

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5807, 29035, 98719, 249701, 493595, 1248505, 4244917, 21224585]

約数ペア:

[(1, 21224585), (5, 4244917), (17, 1248505), (43, 493595), (85, 249701), (215, 98719), (731, 29035), (3655, 5807)]