21584908

素因数分解:

$2^2\times {\mathrm{1117}}^1\times {\mathrm{4831}}^1$

素因数の和:5952

約数の個数: 12

約数和(自身を含む): 37815232

約数和(自身を除く): 16230324

約数列:

[1, 2, 4, 1117, 2234, 4468, 4831, 9662, 19324, 5396227, 10792454, 21584908]

約数ペア:

[(1, 21584908), (2, 10792454), (4, 5396227), (1117, 19324), (2234, 9662), (4468, 4831)]