21416276

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4273}}^1$

素因数の和:4463

約数の個数: 24

約数和(自身を含む): 43081920

約数和(自身を除く): 21665644

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4273, 5012, 8546, 17092, 29911, 59822, 119644, 764867, 1529734, 3059468, 5354069, 10708138, 21416276]

約数ペア:

[(1, 21416276), (2, 10708138), (4, 5354069), (7, 3059468), (14, 1529734), (28, 764867), (179, 119644), (358, 59822), (716, 29911), (1253, 17092), (2506, 8546), (4273, 5012)]