21483657

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 34684160

約数和(自身を除く): 13200503

約数列:

[1, 3, 9, 13, 27, 39, 97, 117, 291, 351, 631, 873, 1261, 1893, 2619, 3783, 5679, 8203, 11349, 17037, 24609, 34047, 61207, 73827, 183621, 221481, 550863, 795691, 1652589, 2387073, 7161219, 21483657]

約数ペア:

[(1, 21483657), (3, 7161219), (9, 2387073), (13, 1652589), (27, 795691), (39, 550863), (97, 221481), (117, 183621), (291, 73827), (351, 61207), (631, 34047), (873, 24609), (1261, 17037), (1893, 11349), (2619, 8203), (3783, 5679)]