21921172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{60223}}^1$

素因数の和:60247

約数の個数: 24

約数和(自身を含む): 47215616

約数和(自身を除く): 25294444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 60223, 120446, 240892, 421561, 782899, 843122, 1565798, 1686244, 3131596, 5480293, 10960586, 21921172]

約数ペア:

[(1, 21921172), (2, 10960586), (4, 5480293), (7, 3131596), (13, 1686244), (14, 1565798), (26, 843122), (28, 782899), (52, 421561), (91, 240892), (182, 120446), (364, 60223)]