21490956938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26401667}}^1$

素因数の和:26401717

約数の個数: 16

約数和(自身を含む): 36117481824

約数和(自身を除く): 14626524886

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26401667, 52803334, 290418337, 580836674, 976861679, 1953723358, 10745478469, 21490956938]

約数ペア:

[(1, 21490956938), (2, 10745478469), (11, 1953723358), (22, 976861679), (37, 580836674), (74, 290418337), (407, 52803334), (814, 26401667)]