21492741

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 31056480

約数和(自身を除く): 9563739

約数列:

[1, 3, 23, 29, 69, 87, 467, 529, 667, 1401, 1587, 2001, 10741, 13543, 15341, 32223, 40629, 46023, 247043, 311489, 741129, 934467, 7164247, 21492741]

約数ペア:

[(1, 21492741), (3, 7164247), (23, 934467), (29, 741129), (69, 311489), (87, 247043), (467, 46023), (529, 40629), (667, 32223), (1401, 15341), (1587, 13543), (2001, 10741)]