21477274

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18439526

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 199, 398, 593, 1186, 1393, 2587, 2786, 4151, 5174, 7709, 8302, 15418, 18109, 36218, 53963, 107926, 118007, 236014, 826049, 1534091, 1652098, 3068182, 10738637, 21477274]

約数ペア:

[(1, 21477274), (2, 10738637), (7, 3068182), (13, 1652098), (14, 1534091), (26, 826049), (91, 236014), (182, 118007), (199, 107926), (398, 53963), (593, 36218), (1186, 18109), (1393, 15418), (2587, 8302), (2786, 7709), (4151, 5174)]