21608829

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2347}}^1$

素因数の和:2398

約数の個数: 32

約数和(自身を含む): 36065280

約数和(自身を除く): 14456451

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 2347, 3069, 7041, 9207, 21123, 25817, 63369, 72757, 77451, 218271, 232353, 654813, 697059, 800327, 1964439, 2400981, 7202943, 21608829]

約数ペア:

[(1, 21608829), (3, 7202943), (9, 2400981), (11, 1964439), (27, 800327), (31, 697059), (33, 654813), (93, 232353), (99, 218271), (279, 77451), (297, 72757), (341, 63369), (837, 25817), (1023, 21123), (2347, 9207), (3069, 7041)]