21905284

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{919}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 39412800

約数和(自身を除く): 17507516

約数列:

[1, 2, 4, 59, 101, 118, 202, 236, 404, 919, 1838, 3676, 5959, 11918, 23836, 54221, 92819, 108442, 185638, 216884, 371276, 5476321, 10952642, 21905284]

約数ペア:

[(1, 21905284), (2, 10952642), (4, 5476321), (59, 371276), (101, 216884), (118, 185638), (202, 108442), (236, 92819), (404, 54221), (919, 23836), (1838, 11918), (3676, 5959)]