21227503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2238

約数の個数: 16

約数和(自身を含む): 24906240

約数和(自身を除く): 3678737

約数列:

[1, 11, 19, 47, 209, 517, 893, 2161, 9823, 23771, 41059, 101567, 451649, 1117237, 1929773, 21227503]

約数ペア:

[(1, 21227503), (11, 1929773), (19, 1117237), (47, 451649), (209, 101567), (517, 41059), (893, 23771), (2161, 9823)]