21000724761

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{1933}}^1\times {\mathrm{45841}}^1$

素因数の和:47856

約数の個数: 16

約数和(自身を含む): 28370696960

約数和(自身を除く): 7369972199

約数列:

[1, 3, 79, 237, 1933, 5799, 45841, 137523, 152707, 458121, 3621439, 10864317, 88610653, 265831959, 7000241587, 21000724761]

約数ペア:

[(1, 21000724761), (3, 7000241587), (79, 265831959), (237, 88610653), (1933, 10864317), (5799, 3621439), (45841, 458121), (137523, 152707)]