21355356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161783}}^1$

素因数の和:161801

約数の個数: 24

約数和(自身を含む): 54359424

約数和(自身を除く): 33004068

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161783, 323566, 485349, 647132, 970698, 1779613, 1941396, 3559226, 5338839, 7118452, 10677678, 21355356]

約数ペア:

[(1, 21355356), (2, 10677678), (3, 7118452), (4, 5338839), (6, 3559226), (11, 1941396), (12, 1779613), (22, 970698), (33, 647132), (44, 485349), (66, 323566), (132, 161783)]