21018450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{140123}}^1$

素因数の和:140138

約数の個数: 24

約数和(自身を含む): 52126128

約数和(自身を除く): 31107678

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 140123, 280246, 420369, 700615, 840738, 1401230, 2101845, 3503075, 4203690, 7006150, 10509225, 21018450]

約数ペア:

[(1, 21018450), (2, 10509225), (3, 7006150), (5, 4203690), (6, 3503075), (10, 2101845), (15, 1401230), (25, 840738), (30, 700615), (50, 420369), (75, 280246), (150, 140123)]