21347048

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{10631}}^1$

素因数の和:10888

約数の個数: 16

約数和(自身を含む): 40188960

約数和(自身を除く): 18841912

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 10631, 21262, 42524, 85048, 2668381, 5336762, 10673524, 21347048]

約数ペア:

[(1, 21347048), (2, 10673524), (4, 5336762), (8, 2668381), (251, 85048), (502, 42524), (1004, 21262), (2008, 10631)]