21109290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{703643}}^1$

素因数の和:703653

約数の個数: 16

約数和(自身を含む): 50662368

約数和(自身を除く): 29553078

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 703643, 1407286, 2110929, 3518215, 4221858, 7036430, 10554645, 21109290]

約数ペア:

[(1, 21109290), (2, 10554645), (3, 7036430), (5, 4221858), (6, 3518215), (10, 2110929), (15, 1407286), (30, 703643)]