21574816

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12721}}^1$

素因数の和:12784

約数の個数: 24

約数和(自身を含む): 43280244

約数和(自身を除く): 21705428

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12721, 25442, 50884, 101768, 203536, 407072, 674213, 1348426, 2696852, 5393704, 10787408, 21574816]

約数ペア:

[(1, 21574816), (2, 10787408), (4, 5393704), (8, 2696852), (16, 1348426), (32, 674213), (53, 407072), (106, 203536), (212, 101768), (424, 50884), (848, 25442), (1696, 12721)]