21086770159

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6262777}}^1$

素因数の和:6262834

約数の個数: 16

約数和(自身を含む): 26654383168

約数和(自身を除く): 5567613009

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6262777, 43839439, 81416101, 231722749, 569912707, 1622059243, 3012395737, 21086770159]

約数ペア:

[(1, 21086770159), (7, 3012395737), (13, 1622059243), (37, 569912707), (91, 231722749), (259, 81416101), (481, 43839439), (3367, 6262777)]