21655890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80207}}^1$

素因数の和:80223

約数の個数: 32

約数和(自身を含む): 57749760

約数和(自身を除く): 36093870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80207, 160414, 240621, 401035, 481242, 721863, 802070, 1203105, 1443726, 2165589, 2406210, 3609315, 4331178, 7218630, 10827945, 21655890]

約数ペア:

[(1, 21655890), (2, 10827945), (3, 7218630), (5, 4331178), (6, 3609315), (9, 2406210), (10, 2165589), (15, 1443726), (18, 1203105), (27, 802070), (30, 721863), (45, 481242), (54, 401035), (90, 240621), (135, 160414), (270, 80207)]