21643413

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34519}}^1$

素因数の和:34552

約数の個数: 16

約数和(自身を含む): 33139200

約数和(自身を除く): 11495787

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34519, 103557, 379709, 655861, 1139127, 1967583, 7214471, 21643413]

約数ペア:

[(1, 21643413), (3, 7214471), (11, 1967583), (19, 1139127), (33, 655861), (57, 379709), (209, 103557), (627, 34519)]