21722404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1276

約数の個数: 36

約数和(自身を含む): 42948892

約数和(自身を除く): 21226488

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 814, 1213, 1628, 2426, 4477, 4852, 8954, 13343, 17908, 26686, 44881, 53372, 89762, 146773, 179524, 293546, 493691, 587092, 987382, 1974764, 5430601, 10861202, 21722404]

約数ペア:

[(1, 21722404), (2, 10861202), (4, 5430601), (11, 1974764), (22, 987382), (37, 587092), (44, 493691), (74, 293546), (121, 179524), (148, 146773), (242, 89762), (407, 53372), (484, 44881), (814, 26686), (1213, 17908), (1628, 13343), (2426, 8954), (4477, 4852)]