21394425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21943}}^1$

素因数の和:21969

約数の個数: 24

約数和(自身を含む): 38094784

約数和(自身を除く): 16700359

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 21943, 65829, 109715, 285259, 329145, 548575, 855777, 1426295, 1645725, 4278885, 7131475, 21394425]

約数ペア:

[(1, 21394425), (3, 7131475), (5, 4278885), (13, 1645725), (15, 1426295), (25, 855777), (39, 548575), (65, 329145), (75, 285259), (195, 109715), (325, 65829), (975, 21943)]