21442317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1523}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 32516064

約数和(自身を除く): 11073747

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1523, 4569, 4693, 14079, 19799, 28937, 59397, 86811, 376181, 549803, 1128543, 1649409, 7147439, 21442317]

約数ペア:

[(1, 21442317), (3, 7147439), (13, 1649409), (19, 1128543), (39, 549803), (57, 376181), (247, 86811), (361, 59397), (741, 28937), (1083, 19799), (1523, 14079), (4569, 4693)]