21050778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{501209}}^1$

素因数の和:501221

約数の個数: 16

約数和(自身を含む): 48116160

約数和(自身を除く): 27065382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 501209, 1002418, 1503627, 3007254, 3508463, 7016926, 10525389, 21050778]

約数ペア:

[(1, 21050778), (2, 10525389), (3, 7016926), (6, 3508463), (7, 3007254), (14, 1503627), (21, 1002418), (42, 501209)]