21432828

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{13037}}^1$

素因数の和:13181

約数の個数: 24

約数和(自身を含む): 50378832

約数和(自身を除く): 28946004

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 13037, 26074, 39111, 52148, 78222, 156444, 1786069, 3572138, 5358207, 7144276, 10716414, 21432828]

約数ペア:

[(1, 21432828), (2, 10716414), (3, 7144276), (4, 5358207), (6, 3572138), (12, 1786069), (137, 156444), (274, 78222), (411, 52148), (548, 39111), (822, 26074), (1644, 13037)]