21783663

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1583}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 12810897

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 1583, 4587, 4749, 13761, 14247, 17413, 52239, 156717, 220037, 660111, 1980333, 2420407, 7261221, 21783663]

約数ペア:

[(1, 21783663), (3, 7261221), (9, 2420407), (11, 1980333), (33, 660111), (99, 220037), (139, 156717), (417, 52239), (1251, 17413), (1529, 14247), (1583, 13761), (4587, 4749)]