21771387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4679}}^1$

素因数の和:4743

約数の個数: 24

約数和(自身を含む): 35043840

約数和(自身を除く): 13272453

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4653, 4679, 14037, 42111, 51469, 154407, 219913, 463221, 659739, 1979217, 2419043, 7257129, 21771387]

約数ペア:

[(1, 21771387), (3, 7257129), (9, 2419043), (11, 1979217), (33, 659739), (47, 463221), (99, 219913), (141, 154407), (423, 51469), (517, 42111), (1551, 14037), (4653, 4679)]