21490168317

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{9949}}^1\times {\mathrm{10141}}^1$

素因数の和:20164

約数の個数: 16

約数和(自身を含む): 29062915200

約数和(自身を除く): 7572746883

約数列:

[1, 3, 71, 213, 9949, 10141, 29847, 30423, 706379, 720011, 2119137, 2160033, 100892809, 302678427, 7163389439, 21490168317]

約数ペア:

[(1, 21490168317), (3, 7163389439), (71, 302678427), (213, 100892809), (9949, 2160033), (10141, 2119137), (29847, 720011), (30423, 706379)]