21510537

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 29441280

約数和(自身を除く): 7930743

約数列:

[1, 3, 47, 141, 373, 409, 1119, 1227, 17531, 19223, 52593, 57669, 152557, 457671, 7170179, 21510537]

約数ペア:

[(1, 21510537), (3, 7170179), (47, 457671), (141, 152557), (373, 57669), (409, 52593), (1119, 19223), (1227, 17531)]