21466181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{379}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 3340219

約数列:

[1, 11, 19, 209, 271, 379, 2981, 4169, 5149, 7201, 56639, 79211, 102709, 1129799, 1951471, 21466181]

約数ペア:

[(1, 21466181), (11, 1951471), (19, 1129799), (209, 102709), (271, 79211), (379, 56639), (2981, 7201), (4169, 5149)]