21006901486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{702431}}^1$

素因数の和:703239

約数の個数: 16

約数和(自身を含む): 33210984960

約数和(自身を除く): 12204083474

約数列:

[1, 2, 19, 38, 787, 1574, 14953, 29906, 702431, 1404862, 13346189, 26692378, 552813197, 1105626394, 10503450743, 21006901486]

約数ペア:

[(1, 21006901486), (2, 10503450743), (19, 1105626394), (38, 552813197), (787, 26692378), (1574, 13346189), (14953, 1404862), (29906, 702431)]