21189576

素因数分解:

$2^3\times 3^1\times {\mathrm{443}}^1\times {\mathrm{1993}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 53120160

約数和(自身を除く): 31930584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 443, 886, 1329, 1772, 1993, 2658, 3544, 3986, 5316, 5979, 7972, 10632, 11958, 15944, 23916, 47832, 882899, 1765798, 2648697, 3531596, 5297394, 7063192, 10594788, 21189576]

約数ペア:

[(1, 21189576), (2, 10594788), (3, 7063192), (4, 5297394), (6, 3531596), (8, 2648697), (12, 1765798), (24, 882899), (443, 47832), (886, 23916), (1329, 15944), (1772, 11958), (1993, 10632), (2658, 7972), (3544, 5979), (3986, 5316)]