21973479

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{5503}}^1$

素因数の和:5539

約数の個数: 16

約数和(自身を含む): 32231424

約数和(自身を除く): 10257945

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 5503, 16509, 60533, 181599, 665863, 1997589, 7324493, 21973479]

約数ペア:

[(1, 21973479), (3, 7324493), (11, 1997589), (33, 665863), (121, 181599), (363, 60533), (1331, 16509), (3993, 5503)]