21844670

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11437}}^1$

素因数の和:11635

約数の個数: 16

約数和(自身を含む): 39529728

約数和(自身を除く): 17685058

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 11437, 22874, 57185, 114370, 2184467, 4368934, 10922335, 21844670]

約数ペア:

[(1, 21844670), (2, 10922335), (5, 4368934), (10, 2184467), (191, 114370), (382, 57185), (955, 22874), (1910, 11437)]