21343020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355717}}^1$

素因数の和:355729

約数の個数: 24

約数和(自身を含む): 59760624

約数和(自身を除く): 38417604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355717, 711434, 1067151, 1422868, 1778585, 2134302, 3557170, 4268604, 5335755, 7114340, 10671510, 21343020]

約数ペア:

[(1, 21343020), (2, 10671510), (3, 7114340), (4, 5335755), (5, 4268604), (6, 3557170), (10, 2134302), (12, 1778585), (15, 1422868), (20, 1067151), (30, 711434), (60, 355717)]