21452678032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43251367}}^1$

素因数の和:43251406

約数の個数: 20

約数和(自身を含む): 42905357056

約数和(自身を除く): 21452679024

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43251367, 86502734, 173005468, 346010936, 692021872, 1340792377, 2681584754, 5363169508, 10726339016, 21452678032]

約数ペア:

[(1, 21452678032), (2, 10726339016), (4, 5363169508), (8, 2681584754), (16, 1340792377), (31, 692021872), (62, 346010936), (124, 173005468), (248, 86502734), (496, 43251367)]