21717176

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{16063}}^1$

素因数の和:16095

約数の個数: 24

約数和(自身を含む): 44095680

約数和(自身を除く): 22378504

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 16063, 32126, 64252, 128504, 208819, 417638, 835276, 1670552, 2714647, 5429294, 10858588, 21717176]

約数ペア:

[(1, 21717176), (2, 10858588), (4, 5429294), (8, 2714647), (13, 1670552), (26, 835276), (52, 417638), (104, 208819), (169, 128504), (338, 64252), (676, 32126), (1352, 16063)]