21363309

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6961}}^1$

素因数の和:7009

約数の個数: 24

約数和(自身を含む): 34754304

約数和(自身を除く): 13390995

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 6961, 20883, 62649, 76571, 215791, 229713, 647373, 689139, 1942119, 2373701, 7121103, 21363309]

約数ペア:

[(1, 21363309), (3, 7121103), (9, 2373701), (11, 1942119), (31, 689139), (33, 647373), (93, 229713), (99, 215791), (279, 76571), (341, 62649), (1023, 20883), (3069, 6961)]