21763621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 25316928

約数和(自身を除く): 3553307

約数列:

[1, 11, 17, 181, 187, 643, 1991, 3077, 7073, 10931, 33847, 116383, 120241, 1280213, 1978511, 21763621]

約数ペア:

[(1, 21763621), (11, 1978511), (17, 1280213), (181, 120241), (187, 116383), (643, 33847), (1991, 10931), (3077, 7073)]