21075540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351259}}^1$

素因数の和:351271

約数の個数: 24

約数和(自身を含む): 59011680

約数和(自身を除く): 37936140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351259, 702518, 1053777, 1405036, 1756295, 2107554, 3512590, 4215108, 5268885, 7025180, 10537770, 21075540]

約数ペア:

[(1, 21075540), (2, 10537770), (3, 7025180), (4, 5268885), (5, 4215108), (6, 3512590), (10, 2107554), (12, 1756295), (15, 1405036), (20, 1053777), (30, 702518), (60, 351259)]