21344908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5623}}^1$

素因数の和:5713

約数の個数: 24

約数和(自身を含む): 40785248

約数和(自身を除く): 19440340

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5623, 11246, 22492, 73099, 146198, 292396, 410479, 820958, 1641916, 5336227, 10672454, 21344908]

約数ペア:

[(1, 21344908), (2, 10672454), (4, 5336227), (13, 1641916), (26, 820958), (52, 410479), (73, 292396), (146, 146198), (292, 73099), (949, 22492), (1898, 11246), (3796, 5623)]