21426895

素因数分解:

$5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1061}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 29464128

約数和(自身を除く): 8037233

約数列:

[1, 5, 7, 35, 577, 1061, 2885, 4039, 5305, 7427, 20195, 37135, 612197, 3060985, 4285379, 21426895]

約数ペア:

[(1, 21426895), (5, 4285379), (7, 3060985), (35, 612197), (577, 37135), (1061, 20195), (2885, 7427), (4039, 5305)]