21083816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202729}}^1$

素因数の和:202748

約数の個数: 16

約数和(自身を含む): 42573300

約数和(自身を除く): 21489484

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202729, 405458, 810916, 1621832, 2635477, 5270954, 10541908, 21083816]

約数ペア:

[(1, 21083816), (2, 10541908), (4, 5270954), (8, 2635477), (13, 1621832), (26, 810916), (52, 405458), (104, 202729)]