21764056

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38317}}^1$

素因数の和:38394

約数の個数: 16

約数和(自身を含む): 41383440

約数和(自身を除く): 19619384

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38317, 76634, 153268, 306536, 2720507, 5441014, 10882028, 21764056]

約数ペア:

[(1, 21764056), (2, 10882028), (4, 5441014), (8, 2720507), (71, 306536), (142, 153268), (284, 76634), (568, 38317)]