21471329

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:2992

約数の個数: 12

約数和(自身を含む): 23995860

約数和(自身を除く): 2524531

約数列:

[1, 11, 61, 121, 671, 2909, 7381, 31999, 177449, 351989, 1951939, 21471329]

約数ペア:

[(1, 21471329), (11, 1951939), (61, 351989), (121, 177449), (671, 31999), (2909, 7381)]