21624218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140417}}^1$

素因数の和:140437

約数の個数: 16

約数和(自身を含む): 40440384

約数和(自身を除く): 18816166

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140417, 280834, 982919, 1544587, 1965838, 3089174, 10812109, 21624218]

約数ペア:

[(1, 21624218), (2, 10812109), (7, 3089174), (11, 1965838), (14, 1544587), (22, 982919), (77, 280834), (154, 140417)]