21075835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22541}}^1$

素因数の和:22574

約数の個数: 16

約数和(自身を含む): 29214432

約数和(自身を除く): 8138597

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22541, 112705, 247951, 383197, 1239755, 1915985, 4215167, 21075835]

約数ペア:

[(1, 21075835), (5, 4215167), (11, 1915985), (17, 1239755), (55, 383197), (85, 247951), (187, 112705), (935, 22541)]