21085084

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1753}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 38503808

約数和(自身を除く): 17418724

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1753, 3007, 3506, 6014, 7012, 12028, 54343, 108686, 170041, 217372, 340082, 680164, 5271271, 10542542, 21085084]

約数ペア:

[(1, 21085084), (2, 10542542), (4, 5271271), (31, 680164), (62, 340082), (97, 217372), (124, 170041), (194, 108686), (388, 54343), (1753, 12028), (3007, 7012), (3506, 6014)]