21402822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509591}}^1$

素因数の和:509603

約数の個数: 16

約数和(自身を含む): 48920832

約数和(自身を除く): 27518010

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509591, 1019182, 1528773, 3057546, 3567137, 7134274, 10701411, 21402822]

約数ペア:

[(1, 21402822), (2, 10701411), (3, 7134274), (6, 3567137), (7, 3057546), (14, 1528773), (21, 1019182), (42, 509591)]