21155563

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 3842837

約数列:

[1, 11, 13, 143, 239, 619, 2629, 3107, 6809, 8047, 34177, 88517, 147941, 1627351, 1923233, 21155563]

約数ペア:

[(1, 21155563), (11, 1923233), (13, 1627351), (143, 147941), (239, 88517), (619, 34177), (2629, 8047), (3107, 6809)]