21083656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239587}}^1$

素因数の和:239604

約数の個数: 16

約数和(自身を含む): 43125840

約数和(自身を除く): 22042184

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239587, 479174, 958348, 1916696, 2635457, 5270914, 10541828, 21083656]

約数ペア:

[(1, 21083656), (2, 10541828), (4, 5270914), (8, 2635457), (11, 1916696), (22, 958348), (44, 479174), (88, 239587)]