21148101

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60251}}^1$

素因数の和:60273

約数の個数: 16

約数和(自身を含む): 33741120

約数和(自身を除く): 12593019

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60251, 180753, 542259, 783263, 1626777, 2349789, 7049367, 21148101]

約数ペア:

[(1, 21148101), (3, 7049367), (9, 2349789), (13, 1626777), (27, 783263), (39, 542259), (117, 180753), (351, 60251)]