21060752

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15859}}^1$

素因数の和:15950

約数の個数: 20

約数和(自身を含む): 41299440

約数和(自身を除く): 20238688

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15859, 31718, 63436, 126872, 253744, 1316297, 2632594, 5265188, 10530376, 21060752]

約数ペア:

[(1, 21060752), (2, 10530376), (4, 5265188), (8, 2632594), (16, 1316297), (83, 253744), (166, 126872), (332, 63436), (664, 31718), (1328, 15859)]