21455382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6709}}^1$

素因数の和:6768

約数の個数: 32

約数和(自身を含む): 47345760

約数和(自身を除く): 25890378

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6709, 13418, 20127, 40254, 87217, 174434, 261651, 275069, 523302, 550138, 825207, 1650414, 3575897, 7151794, 10727691, 21455382]

約数ペア:

[(1, 21455382), (2, 10727691), (3, 7151794), (6, 3575897), (13, 1650414), (26, 825207), (39, 550138), (41, 523302), (78, 275069), (82, 261651), (123, 174434), (246, 87217), (533, 40254), (1066, 20127), (1599, 13418), (3198, 6709)]