21388350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{142589}}^1$

素因数の和:142604

約数の個数: 24

約数和(自身を含む): 53043480

約数和(自身を除く): 31655130

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 142589, 285178, 427767, 712945, 855534, 1425890, 2138835, 3564725, 4277670, 7129450, 10694175, 21388350]

約数ペア:

[(1, 21388350), (2, 10694175), (3, 7129450), (5, 4277670), (6, 3564725), (10, 2138835), (15, 1425890), (25, 855534), (30, 712945), (50, 427767), (75, 285178), (150, 142589)]