21000751933

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7672909}}^1$

素因数の和:7672956

約数の個数: 16

約数和(自身を含む): 26517576960

約数和(自身を除く): 5516825027

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7672909, 53710363, 130439453, 176476907, 913076171, 1235338349, 3000107419, 21000751933]

約数ペア:

[(1, 21000751933), (7, 3000107419), (17, 1235338349), (23, 913076171), (119, 176476907), (161, 130439453), (391, 53710363), (2737, 7672909)]