21323601

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 34496000

約数和(自身を除く): 13172399

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 769, 1027, 2133, 2307, 3081, 6921, 9243, 9997, 20763, 27729, 29991, 60751, 89973, 182253, 269919, 546759, 789763, 1640277, 2369289, 7107867, 21323601]

約数ペア:

[(1, 21323601), (3, 7107867), (9, 2369289), (13, 1640277), (27, 789763), (39, 546759), (79, 269919), (117, 182253), (237, 89973), (351, 60751), (711, 29991), (769, 27729), (1027, 20763), (2133, 9997), (2307, 9243), (3081, 6921)]