21615441

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1847}}^1$

素因数の和:1980

約数の個数: 16

約数和(自身を含む): 29804544

約数和(自身を除く): 8189103

約数列:

[1, 3, 47, 83, 141, 249, 1847, 3901, 5541, 11703, 86809, 153301, 260427, 459903, 7205147, 21615441]

約数ペア:

[(1, 21615441), (3, 7205147), (47, 459903), (83, 260427), (141, 153301), (249, 86809), (1847, 11703), (3901, 5541)]