21907523

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 25166592

約数和(自身を除く): 3259069

約数列:

[1, 11, 23, 131, 253, 661, 1441, 3013, 7271, 15203, 33143, 86591, 167233, 952501, 1991593, 21907523]

約数ペア:

[(1, 21907523), (11, 1991593), (23, 952501), (131, 167233), (253, 86591), (661, 33143), (1441, 15203), (3013, 7271)]