21001608

素因数分解:

$2^3\times 3^2\times {\mathrm{291689}}^1$

素因数の和:291701

約数の個数: 24

約数和(自身を含む): 56879550

約数和(自身を除く): 35877942

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291689, 583378, 875067, 1166756, 1750134, 2333512, 2625201, 3500268, 5250402, 7000536, 10500804, 21001608]

約数ペア:

[(1, 21001608), (2, 10500804), (3, 7000536), (4, 5250402), (6, 3500268), (8, 2625201), (9, 2333512), (12, 1750134), (18, 1166756), (24, 875067), (36, 583378), (72, 291689)]