21849356

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4481}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 40660704

約数和(自身を除く): 18811348

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4481, 4876, 8962, 17924, 103063, 206126, 237493, 412252, 474986, 949972, 5462339, 10924678, 21849356]

約数ペア:

[(1, 21849356), (2, 10924678), (4, 5462339), (23, 949972), (46, 474986), (53, 412252), (92, 237493), (106, 206126), (212, 103063), (1219, 17924), (2438, 8962), (4481, 4876)]