21694257

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3294

約数の個数: 32

約数和(自身を含む): 36444800

約数和(自身を除く): 14750543

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 3253, 6669, 9759, 29277, 42289, 61807, 87831, 126867, 185421, 380601, 556263, 803491, 1141803, 1668789, 2410473, 7231419, 21694257]

約数ペア:

[(1, 21694257), (3, 7231419), (9, 2410473), (13, 1668789), (19, 1141803), (27, 803491), (39, 556263), (57, 380601), (117, 185421), (171, 126867), (247, 87831), (351, 61807), (513, 42289), (741, 29277), (2223, 9759), (3253, 6669)]