21294660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354911}}^1$

素因数の和:354923

約数の個数: 24

約数和(自身を含む): 59625216

約数和(自身を除く): 38330556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354911, 709822, 1064733, 1419644, 1774555, 2129466, 3549110, 4258932, 5323665, 7098220, 10647330, 21294660]

約数ペア:

[(1, 21294660), (2, 10647330), (3, 7098220), (4, 5323665), (5, 4258932), (6, 3549110), (10, 2129466), (12, 1774555), (15, 1419644), (20, 1064733), (30, 709822), (60, 354911)]