21602908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2099}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 17910692

約数列:

[1, 2, 4, 31, 62, 83, 124, 166, 332, 2099, 2573, 4198, 5146, 8396, 10292, 65069, 130138, 174217, 260276, 348434, 696868, 5400727, 10801454, 21602908]

約数ペア:

[(1, 21602908), (2, 10801454), (4, 5400727), (31, 696868), (62, 348434), (83, 260276), (124, 174217), (166, 130138), (332, 65069), (2099, 10292), (2573, 8396), (4198, 5146)]