21816883

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 25597440

約数和(自身を除く): 3780557

約数列:

[1, 11, 19, 47, 209, 517, 893, 2221, 9823, 24431, 42199, 104387, 464189, 1148257, 1983353, 21816883]

約数ペア:

[(1, 21816883), (11, 1983353), (19, 1148257), (47, 464189), (209, 104387), (517, 42199), (893, 24431), (2221, 9823)]