21845307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34841}}^1$

素因数の和:34874

約数の個数: 16

約数和(自身を含む): 33448320

約数和(自身を除く): 11603013

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34841, 104523, 383251, 661979, 1149753, 1985937, 7281769, 21845307]

約数ペア:

[(1, 21845307), (3, 7281769), (11, 1985937), (19, 1149753), (33, 661979), (57, 383251), (209, 104523), (627, 34841)]