21624640

素因数分解:

$2^6\times 5^1\times {\mathrm{67577}}^1$

素因数の和:67594

約数の個数: 28

約数和(自身を含む): 51494436

約数和(自身を除く): 29869796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67577, 135154, 270308, 337885, 540616, 675770, 1081232, 1351540, 2162464, 2703080, 4324928, 5406160, 10812320, 21624640]

約数ペア:

[(1, 21624640), (2, 10812320), (4, 5406160), (5, 4324928), (8, 2703080), (10, 2162464), (16, 1351540), (20, 1081232), (32, 675770), (40, 540616), (64, 337885), (80, 270308), (160, 135154), (320, 67577)]