21646728

素因数分解:

$2^3\times 3^2\times {\mathrm{300649}}^1$

素因数の和:300661

約数の個数: 24

約数和(自身を含む): 58626750

約数和(自身を除く): 36980022

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 300649, 601298, 901947, 1202596, 1803894, 2405192, 2705841, 3607788, 5411682, 7215576, 10823364, 21646728]

約数ペア:

[(1, 21646728), (2, 10823364), (3, 7215576), (4, 5411682), (6, 3607788), (8, 2705841), (9, 2405192), (12, 1803894), (18, 1202596), (24, 901947), (36, 601298), (72, 300649)]