21803288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209647}}^1$

素因数の和:209666

約数の個数: 16

約数和(自身を含む): 44026080

約数和(自身を除く): 22222792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209647, 419294, 838588, 1677176, 2725411, 5450822, 10901644, 21803288]

約数ペア:

[(1, 21803288), (2, 10901644), (4, 5450822), (8, 2725411), (13, 1677176), (26, 838588), (52, 419294), (104, 209647)]