21738560

素因数分解:

$2^6\times 5^1\times {\mathrm{67933}}^1$

素因数の和:67950

約数の個数: 28

約数和(自身を含む): 51765708

約数和(自身を除く): 30027148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67933, 135866, 271732, 339665, 543464, 679330, 1086928, 1358660, 2173856, 2717320, 4347712, 5434640, 10869280, 21738560]

約数ペア:

[(1, 21738560), (2, 10869280), (4, 5434640), (5, 4347712), (8, 2717320), (10, 2173856), (16, 1358660), (20, 1086928), (32, 679330), (40, 543464), (64, 339665), (80, 271732), (160, 135866), (320, 67933)]