21427454696

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{133541}}^1$

素因数の和:134225

約数の個数: 32

約数和(自身を含む): 41536903680

約数和(自身を除く): 20109448984

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 647, 1294, 2588, 5176, 20057, 40114, 80228, 133541, 160456, 267082, 534164, 1068328, 4139771, 8279542, 16559084, 33118168, 86401027, 172802054, 345604108, 691208216, 2678431837, 5356863674, 10713727348, 21427454696]

約数ペア:

[(1, 21427454696), (2, 10713727348), (4, 5356863674), (8, 2678431837), (31, 691208216), (62, 345604108), (124, 172802054), (248, 86401027), (647, 33118168), (1294, 16559084), (2588, 8279542), (5176, 4139771), (20057, 1068328), (40114, 534164), (80228, 267082), (133541, 160456)]