21180706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1579}}^1$

素因数の和:1953

約数の個数: 16

約数和(自身を含む): 33559200

約数和(自身を除く): 12378494

約数列:

[1, 2, 19, 38, 353, 706, 1579, 3158, 6707, 13414, 30001, 60002, 557387, 1114774, 10590353, 21180706]

約数ペア:

[(1, 21180706), (2, 10590353), (19, 1114774), (38, 557387), (353, 60002), (706, 30001), (1579, 13414), (3158, 6707)]