21440823104

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4718491}}^1$

素因数の和:4718574

約数の個数: 28

約数和(自身を含む): 43145890848

約数和(自身を除く): 21705067744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4718491, 9436982, 18873964, 37747928, 75495856, 150991712, 301983424, 335012861, 670025722, 1340051444, 2680102888, 5360205776, 10720411552, 21440823104]

約数ペア:

[(1, 21440823104), (2, 10720411552), (4, 5360205776), (8, 2680102888), (16, 1340051444), (32, 670025722), (64, 335012861), (71, 301983424), (142, 150991712), (284, 75495856), (568, 37747928), (1136, 18873964), (2272, 9436982), (4544, 4718491)]