21241860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354031}}^1$

素因数の和:354043

約数の個数: 24

約数和(自身を含む): 59477376

約数和(自身を除く): 38235516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354031, 708062, 1062093, 1416124, 1770155, 2124186, 3540310, 4248372, 5310465, 7080620, 10620930, 21241860]

約数ペア:

[(1, 21241860), (2, 10620930), (3, 7080620), (4, 5310465), (5, 4248372), (6, 3540310), (10, 2124186), (12, 1770155), (15, 1416124), (20, 1062093), (30, 708062), (60, 354031)]