21341341

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 26744256

約数和(自身を除く): 5402915

約数列:

[1, 7, 17, 37, 119, 131, 259, 629, 917, 1369, 2227, 4403, 4847, 9583, 15589, 23273, 33929, 82399, 162911, 179339, 576793, 1255373, 3048763, 21341341]

約数ペア:

[(1, 21341341), (7, 3048763), (17, 1255373), (37, 576793), (119, 179339), (131, 162911), (259, 82399), (629, 33929), (917, 23273), (1369, 15589), (2227, 9583), (4403, 4847)]