21491194

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 32726016

約数和(自身を除く): 11234822

約数列:

[1, 2, 127, 211, 254, 401, 422, 802, 26797, 50927, 53594, 84611, 101854, 169222, 10745597, 21491194]

約数ペア:

[(1, 21491194), (2, 10745597), (127, 169222), (211, 101854), (254, 84611), (401, 53594), (422, 50927), (802, 26797)]