21825495

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7951}}^1$

素因数の和:8023

約数の個数: 24

約数和(自身を含む): 38455872

約数和(自身を除く): 16630377

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 7951, 23853, 39755, 71559, 119265, 357795, 485011, 1455033, 2425055, 4365099, 7275165, 21825495]

約数ペア:

[(1, 21825495), (3, 7275165), (5, 4365099), (9, 2425055), (15, 1455033), (45, 485011), (61, 357795), (183, 119265), (305, 71559), (549, 39755), (915, 23853), (2745, 7951)]