21179868

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24859}}^1$

素因数の和:24937

約数の個数: 24

約数和(自身を含む): 50117760

約数和(自身を除く): 28937892

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24859, 49718, 74577, 99436, 149154, 298308, 1764989, 3529978, 5294967, 7059956, 10589934, 21179868]

約数ペア:

[(1, 21179868), (2, 10589934), (3, 7059956), (4, 5294967), (6, 3529978), (12, 1764989), (71, 298308), (142, 149154), (213, 99436), (284, 74577), (426, 49718), (852, 24859)]