21086330

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7451}}^1$

素因数の和:7741

約数の個数: 16

約数和(自身を含む): 38094624

約数和(自身を除く): 17008294

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 7451, 14902, 37255, 74510, 2108633, 4217266, 10543165, 21086330]

約数ペア:

[(1, 21086330), (2, 10543165), (5, 4217266), (10, 2108633), (283, 74510), (566, 37255), (1415, 14902), (2830, 7451)]