21952018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4729}}^1$

素因数の和:4953

約数の個数: 16

約数和(自身を含む): 36099360

約数和(自身を除く): 14147342

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 4729, 9458, 52019, 104038, 997819, 1995638, 10976009, 21952018]

約数ペア:

[(1, 21952018), (2, 10976009), (11, 1995638), (22, 997819), (211, 104038), (422, 52019), (2321, 9458), (4642, 4729)]