21420032

素因数分解:

$2^{11}\times {\mathrm{10459}}^1$

素因数の和:10481

約数の個数: 24

約数和(自身を含む): 42833700

約数和(自身を除く): 21413668

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10459, 20918, 41836, 83672, 167344, 334688, 669376, 1338752, 2677504, 5355008, 10710016, 21420032]

約数ペア:

[(1, 21420032), (2, 10710016), (4, 5355008), (8, 2677504), (16, 1338752), (32, 669376), (64, 334688), (128, 167344), (256, 83672), (512, 41836), (1024, 20918), (2048, 10459)]