21426478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12589}}^1$

素因数の和:12651

約数の個数: 16

約数和(自身を含む): 34446240

約数和(自身を除く): 13019762

約数列:

[1, 2, 23, 37, 46, 74, 851, 1702, 12589, 25178, 289547, 465793, 579094, 931586, 10713239, 21426478]

約数ペア:

[(1, 21426478), (2, 10713239), (23, 931586), (37, 579094), (46, 465793), (74, 289547), (851, 25178), (1702, 12589)]