21066032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101279}}^1$

素因数の和:101300

約数の個数: 20

約数和(自身を含む): 43955520

約数和(自身を除く): 22889488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101279, 202558, 405116, 810232, 1316627, 1620464, 2633254, 5266508, 10533016, 21066032]

約数ペア:

[(1, 21066032), (2, 10533016), (4, 5266508), (8, 2633254), (13, 1620464), (16, 1316627), (26, 810232), (52, 405116), (104, 202558), (208, 101279)]