21249016

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{11701}}^1$

素因数の和:11934

約数の個数: 16

約数和(自身を含む): 40020840

約数和(自身を除く): 18771824

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 11701, 23402, 46804, 93608, 2656127, 5312254, 10624508, 21249016]

約数ペア:

[(1, 21249016), (2, 10624508), (4, 5312254), (8, 2656127), (227, 93608), (454, 46804), (908, 23402), (1816, 11701)]