21089366

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1051}}^1$

素因数の和:1259

約数の個数: 16

約数和(自身を含む): 32317440

約数和(自身を除く): 11228074

約数列:

[1, 2, 79, 127, 158, 254, 1051, 2102, 10033, 20066, 83029, 133477, 166058, 266954, 10544683, 21089366]

約数ペア:

[(1, 21089366), (2, 10544683), (79, 266954), (127, 166058), (158, 133477), (254, 83029), (1051, 20066), (2102, 10033)]