21813308908

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{2851}}^1\times {\mathrm{31357}}^1$

素因数の和:34273

約数の個数: 24

約数和(自身を含む): 38813928944

約数和(自身を除く): 17000620036

約数列:

[1, 2, 4, 61, 122, 244, 2851, 5702, 11404, 31357, 62714, 125428, 173911, 347822, 695644, 1912777, 3825554, 7651108, 89398807, 178797614, 357595228, 5453327227, 10906654454, 21813308908]

約数ペア:

[(1, 21813308908), (2, 10906654454), (4, 5453327227), (61, 357595228), (122, 178797614), (244, 89398807), (2851, 7651108), (5702, 3825554), (11404, 1912777), (31357, 695644), (62714, 347822), (125428, 173911)]