21168760

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2311}}^1$

素因数の和:2551

約数の個数: 32

約数和(自身を含む): 47858400

約数和(自身を除く): 26689640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 2311, 4580, 4622, 9160, 9244, 11555, 18488, 23110, 46220, 92440, 529219, 1058438, 2116876, 2646095, 4233752, 5292190, 10584380, 21168760]

約数ペア:

[(1, 21168760), (2, 10584380), (4, 5292190), (5, 4233752), (8, 2646095), (10, 2116876), (20, 1058438), (40, 529219), (229, 92440), (458, 46220), (916, 23110), (1145, 18488), (1832, 11555), (2290, 9244), (2311, 9160), (4580, 4622)]