21803431

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 25331040

約数和(自身を除く): 3527609

約数列:

[1, 13, 19, 41, 247, 533, 779, 2153, 10127, 27989, 40907, 88273, 531791, 1147549, 1677187, 21803431]

約数ペア:

[(1, 21803431), (13, 1677187), (19, 1147549), (41, 531791), (247, 88273), (533, 40907), (779, 27989), (2153, 10127)]