21138045400

素因数分解:

$2^3\times 5^2\times {\mathrm{105690227}}^1$

素因数の和:105690243

約数の個数: 24

約数和(自身を含む): 49145956020

約数和(自身を除く): 28007910620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 105690227, 211380454, 422760908, 528451135, 845521816, 1056902270, 2113804540, 2642255675, 4227609080, 5284511350, 10569022700, 21138045400]

約数ペア:

[(1, 21138045400), (2, 10569022700), (4, 5284511350), (5, 4227609080), (8, 2642255675), (10, 2113804540), (20, 1056902270), (25, 845521816), (40, 528451135), (50, 422760908), (100, 211380454), (200, 105690227)]