21838445

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 27010368

約数和(自身を除く): 5171923

約数列:

[1, 5, 41, 205, 307, 347, 1535, 1735, 12587, 14227, 62935, 71135, 106529, 532645, 4367689, 21838445]

約数ペア:

[(1, 21838445), (5, 4367689), (41, 532645), (205, 106529), (307, 71135), (347, 62935), (1535, 14227), (1735, 12587)]