21063272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154877}}^1$

素因数の和:154900

約数の個数: 16

約数和(自身を含む): 41817060

約数和(自身を除く): 20753788

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154877, 309754, 619508, 1239016, 2632909, 5265818, 10531636, 21063272]

約数ペア:

[(1, 21063272), (2, 10531636), (4, 5265818), (8, 2632909), (17, 1239016), (34, 619508), (68, 309754), (136, 154877)]