21241878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505759}}^1$

素因数の和:505771

約数の個数: 16

約数和(自身を含む): 48552960

約数和(自身を除く): 27311082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505759, 1011518, 1517277, 3034554, 3540313, 7080626, 10620939, 21241878]

約数ペア:

[(1, 21241878), (2, 10620939), (3, 7080626), (6, 3540313), (7, 3034554), (14, 1517277), (21, 1011518), (42, 505759)]