21077724

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12821}}^1$

素因数の和:12965

約数の個数: 24

約数和(自身を含む): 49544208

約数和(自身を除く): 28466484

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12821, 25642, 38463, 51284, 76926, 153852, 1756477, 3512954, 5269431, 7025908, 10538862, 21077724]

約数ペア:

[(1, 21077724), (2, 10538862), (3, 7025908), (4, 5269431), (6, 3512954), (12, 1756477), (137, 153852), (274, 76926), (411, 51284), (548, 38463), (822, 25642), (1644, 12821)]