21629423

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 23786784

約数和(自身を除く): 2157361

約数列:

[1, 17, 37, 137, 251, 629, 2329, 4267, 5069, 9287, 34387, 86173, 157879, 584579, 1272319, 21629423]

約数ペア:

[(1, 21629423), (17, 1272319), (37, 584579), (137, 157879), (251, 86173), (629, 34387), (2329, 9287), (4267, 5069)]