21014526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 45440640

約数和(自身を除く): 24426114

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 419, 643, 838, 1257, 1286, 1929, 2514, 3858, 5447, 8359, 10894, 16341, 16718, 25077, 32682, 50154, 269417, 538834, 808251, 1616502, 3502421, 7004842, 10507263, 21014526]

約数ペア:

[(1, 21014526), (2, 10507263), (3, 7004842), (6, 3502421), (13, 1616502), (26, 808251), (39, 538834), (78, 269417), (419, 50154), (643, 32682), (838, 25077), (1257, 16718), (1286, 16341), (1929, 10894), (2514, 8359), (3858, 5447)]