21479445

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12239}}^1$

素因数の和:12266

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19646955

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 12239, 36717, 61195, 110151, 159107, 183585, 330453, 477321, 550755, 795535, 1431963, 1652265, 2386605, 4295889, 7159815, 21479445]

約数ペア:

[(1, 21479445), (3, 7159815), (5, 4295889), (9, 2386605), (13, 1652265), (15, 1431963), (27, 795535), (39, 550755), (45, 477321), (65, 330453), (117, 183585), (135, 159107), (195, 110151), (351, 61195), (585, 36717), (1755, 12239)]