21091033

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2236967

約数列:

[1, 17, 29, 179, 239, 493, 3043, 4063, 5191, 6931, 42781, 88247, 117827, 727277, 1240649, 21091033]

約数ペア:

[(1, 21091033), (17, 1240649), (29, 727277), (179, 117827), (239, 88247), (493, 42781), (3043, 6931), (4063, 5191)]