21653870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3727}}^1$

素因数の和:3824

約数の個数: 32

約数和(自身を含む): 45093888

約数和(自身を除く): 23440018

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3727, 5810, 7454, 18635, 26089, 37270, 52178, 130445, 260890, 309341, 618682, 1546705, 2165387, 3093410, 4330774, 10826935, 21653870]

約数ペア:

[(1, 21653870), (2, 10826935), (5, 4330774), (7, 3093410), (10, 2165387), (14, 1546705), (35, 618682), (70, 309341), (83, 260890), (166, 130445), (415, 52178), (581, 37270), (830, 26089), (1162, 18635), (2905, 7454), (3727, 5810)]