21671903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 25068960

約数和(自身を除く): 3397057

約数列:

[1, 11, 29, 41, 319, 451, 1189, 1657, 13079, 18227, 48053, 67937, 528583, 747307, 1970173, 21671903]

約数ペア:

[(1, 21671903), (11, 1970173), (29, 747307), (41, 528583), (319, 67937), (451, 48053), (1189, 18227), (1657, 13079)]