21184605

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12071}}^1$

素因数の和:12098

約数の個数: 32

約数和(自身を含む): 40561920

約数和(自身を除く): 19377315

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12071, 36213, 60355, 108639, 156923, 181065, 325917, 470769, 543195, 784615, 1412307, 1629585, 2353845, 4236921, 7061535, 21184605]

約数ペア:

[(1, 21184605), (3, 7061535), (5, 4236921), (9, 2353845), (13, 1629585), (15, 1412307), (27, 784615), (39, 543195), (45, 470769), (65, 325917), (117, 181065), (135, 156923), (195, 108639), (351, 60355), (585, 36213), (1755, 12071)]