21223099261

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{8713}}^1$

素因数の和:8846

約数の個数: 48

約数和(自身を含む): 27555759360

約数和(自身を除く): 6332660099

約数列:

[1, 7, 13, 29, 71, 91, 169, 203, 377, 497, 923, 1183, 2059, 2639, 4901, 6461, 8713, 11999, 14413, 26767, 34307, 60991, 83993, 113269, 187369, 252677, 347971, 618623, 792883, 1472497, 1768739, 2435797, 3284801, 4330361, 8042099, 10307479, 17940067, 22993607, 42702413, 56294693, 104547287, 125580469, 233220871, 298916891, 731831009, 1632546097, 3031871323, 21223099261]

約数ペア:

[(1, 21223099261), (7, 3031871323), (13, 1632546097), (29, 731831009), (71, 298916891), (91, 233220871), (169, 125580469), (203, 104547287), (377, 56294693), (497, 42702413), (923, 22993607), (1183, 17940067), (2059, 10307479), (2639, 8042099), (4901, 4330361), (6461, 3284801), (8713, 2435797), (11999, 1768739), (14413, 1472497), (26767, 792883), (34307, 618623), (60991, 347971), (83993, 252677), (113269, 187369)]