21976031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1709}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 5602849

約数列:

[1, 7, 11, 77, 167, 1169, 1709, 1837, 11963, 12859, 18799, 131593, 285403, 1997821, 3139433, 21976031]

約数ペア:

[(1, 21976031), (7, 3139433), (11, 1997821), (77, 285403), (167, 131593), (1169, 18799), (1709, 12859), (1837, 11963)]