21818726

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8087}}^1$

素因数の和:8179

約数の個数: 16

約数和(自身を含む): 34940160

約数和(自身を除く): 13121434

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 8087, 16174, 153653, 307306, 574177, 1148354, 10909363, 21818726]

約数ペア:

[(1, 21818726), (2, 10909363), (19, 1148354), (38, 574177), (71, 307306), (142, 153653), (1349, 16174), (2698, 8087)]