21250134

素因数分解:

$2^1\times 3^3\times {\mathrm{393521}}^1$

素因数の和:393532

約数の個数: 16

約数和(自身を含む): 47222640

約数和(自身を除く): 25972506

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393521, 787042, 1180563, 2361126, 3541689, 7083378, 10625067, 21250134]

約数ペア:

[(1, 21250134), (2, 10625067), (3, 7083378), (6, 3541689), (9, 2361126), (18, 1180563), (27, 787042), (54, 393521)]