21731831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 3524617

約数列:

[1, 11, 17, 187, 251, 463, 2761, 4267, 5093, 7871, 46937, 86581, 116213, 1278343, 1975621, 21731831]

約数ペア:

[(1, 21731831), (11, 1975621), (17, 1278343), (187, 116213), (251, 86581), (463, 46937), (2761, 7871), (4267, 5093)]