21274845

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21169}}^1$

素因数の和:21244

約数の個数: 16

約数和(自身を含む): 34549440

約数和(自身を除く): 13274595

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 21169, 63507, 105845, 317535, 1418323, 4254969, 7091615, 21274845]

約数ペア:

[(1, 21274845), (3, 7091615), (5, 4254969), (15, 1418323), (67, 317535), (201, 105845), (335, 63507), (1005, 21169)]