21647222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{809}}^1$

素因数の和:1615

約数の個数: 16

約数和(自身を含む): 34467120

約数和(自身を除く): 12819898

約数列:

[1, 2, 17, 34, 787, 809, 1574, 1618, 13379, 13753, 26758, 27506, 636683, 1273366, 10823611, 21647222]

約数ペア:

[(1, 21647222), (2, 10823611), (17, 1273366), (34, 636683), (787, 27506), (809, 26758), (1574, 13753), (1618, 13379)]