21490146

素因数分解:

$2^1\times 3^2\times {\mathrm{839}}^1\times {\mathrm{1423}}^1$

素因数の和:2270

約数の個数: 24

約数和(自身を含む): 46650240

約数和(自身を除く): 25160094

約数列:

[1, 2, 3, 6, 9, 18, 839, 1423, 1678, 2517, 2846, 4269, 5034, 7551, 8538, 12807, 15102, 25614, 1193897, 2387794, 3581691, 7163382, 10745073, 21490146]

約数ペア:

[(1, 21490146), (2, 10745073), (3, 7163382), (6, 3581691), (9, 2387794), (18, 1193897), (839, 25614), (1423, 15102), (1678, 12807), (2517, 8538), (2846, 7551), (4269, 5034)]