21677048

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24859}}^1$

素因数の和:24974

約数の個数: 16

約数和(自身を含む): 41019000

約数和(自身を除く): 19341952

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24859, 49718, 99436, 198872, 2709631, 5419262, 10838524, 21677048]

約数ペア:

[(1, 21677048), (2, 10838524), (4, 5419262), (8, 2709631), (109, 198872), (218, 99436), (436, 49718), (872, 24859)]