21367071999

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8696407}}^1$

素因数の和:8696436

約数の個数: 32

約数和(自身を含む): 38959907840

約数和(自身を除く): 17592835841

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8696407, 26089221, 60874849, 78267663, 113053291, 182624547, 234802989, 339159873, 547873641, 791373037, 1017479619, 1643620923, 2374119111, 3052438857, 7122357333, 21367071999]

約数ペア:

[(1, 21367071999), (3, 7122357333), (7, 3052438857), (9, 2374119111), (13, 1643620923), (21, 1017479619), (27, 791373037), (39, 547873641), (63, 339159873), (91, 234802989), (117, 182624547), (189, 113053291), (273, 78267663), (351, 60874849), (819, 26089221), (2457, 8696407)]