21591466655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{473549}}^1$

素因数の和:474394

約数の個数: 16

約数和(自身を含む): 28299348000

約数和(自身を除く): 6707881345

約数列:

[1, 5, 11, 55, 829, 4145, 9119, 45595, 473549, 2367745, 5209039, 26045195, 392572121, 1962860605, 4318293331, 21591466655]

約数ペア:

[(1, 21591466655), (5, 4318293331), (11, 1962860605), (55, 392572121), (829, 26045195), (4145, 5209039), (9119, 2367745), (45595, 473549)]