21012633

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 31566600

約数和(自身を除く): 10553967

約数列:

[1, 3, 9, 37, 89, 111, 267, 333, 709, 801, 2127, 3293, 6381, 9879, 26233, 29637, 63101, 78699, 189303, 236097, 567909, 2334737, 7004211, 21012633]

約数ペア:

[(1, 21012633), (3, 7004211), (9, 2334737), (37, 567909), (89, 236097), (111, 189303), (267, 78699), (333, 63101), (709, 29637), (801, 26233), (2127, 9879), (3293, 6381)]