21056872

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23293}}^1$

素因数の和:23412

約数の個数: 16

約数和(自身を含む): 39832740

約数和(自身を除く): 18775868

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23293, 46586, 93172, 186344, 2632109, 5264218, 10528436, 21056872]

約数ペア:

[(1, 21056872), (2, 10528436), (4, 5264218), (8, 2632109), (113, 186344), (226, 93172), (452, 46586), (904, 23293)]