21466744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{206411}}^1$

素因数の和:206430

約数の個数: 16

約数和(自身を含む): 43346520

約数和(自身を除く): 21879776

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 206411, 412822, 825644, 1651288, 2683343, 5366686, 10733372, 21466744]

約数ペア:

[(1, 21466744), (2, 10733372), (4, 5366686), (8, 2683343), (13, 1651288), (26, 825644), (52, 412822), (104, 206411)]