21669021

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4657}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 34879104

約数和(自身を除く): 13210083

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4653, 4657, 13971, 41913, 51227, 153681, 218879, 461043, 656637, 1969911, 2407669, 7223007, 21669021]

約数ペア:

[(1, 21669021), (3, 7223007), (9, 2407669), (11, 1969911), (33, 656637), (47, 461043), (99, 218879), (141, 153681), (423, 51227), (517, 41913), (1551, 13971), (4653, 4657)]