21097978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{1601}}^1$

素因数の和:2213

約数の個数: 16

約数和(自身を含む): 34603200

約数和(自身を除く): 13505222

約数列:

[1, 2, 11, 22, 599, 1198, 1601, 3202, 6589, 13178, 17611, 35222, 958999, 1917998, 10548989, 21097978]

約数ペア:

[(1, 21097978), (2, 10548989), (11, 1917998), (22, 958999), (599, 35222), (1198, 17611), (1601, 13178), (3202, 6589)]