21087704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239633}}^1$

素因数の和:239650

約数の個数: 16

約数和(自身を含む): 43134120

約数和(自身を除く): 22046416

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239633, 479266, 958532, 1917064, 2635963, 5271926, 10543852, 21087704]

約数ペア:

[(1, 21087704), (2, 10543852), (4, 5271926), (8, 2635963), (11, 1917064), (22, 958532), (44, 479266), (88, 239633)]