21827816

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{5237}}^1$

素因数の和:5764

約数の個数: 16

約数和(自身を含む): 41013540

約数和(自身を除く): 19185724

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 5237, 10474, 20948, 41896, 2728477, 5456954, 10913908, 21827816]

約数ペア:

[(1, 21827816), (2, 10913908), (4, 5456954), (8, 2728477), (521, 41896), (1042, 20948), (2084, 10474), (4168, 5237)]