21827619

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2273}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 34764912

約数和(自身を除く): 12937293

約数列:

[1, 3, 9, 11, 33, 97, 99, 291, 873, 1067, 2273, 3201, 6819, 9603, 20457, 25003, 75009, 220481, 225027, 661443, 1984329, 2425291, 7275873, 21827619]

約数ペア:

[(1, 21827619), (3, 7275873), (9, 2425291), (11, 1984329), (33, 661443), (97, 225027), (99, 220481), (291, 75009), (873, 25003), (1067, 20457), (2273, 9603), (3201, 6819)]