21688893356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3000677}}^1$

素因数の和:3000833

約数の個数: 24

約数和(自身を含む): 41169302160

約数和(自身を除く): 19480408804

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 3000677, 6001354, 12002708, 39008801, 78017602, 156035204, 417094103, 834188206, 1668376412, 5422223339, 10844446678, 21688893356]

約数ペア:

[(1, 21688893356), (2, 10844446678), (4, 5422223339), (13, 1668376412), (26, 834188206), (52, 417094103), (139, 156035204), (278, 78017602), (556, 39008801), (1807, 12002708), (3614, 6001354), (7228, 3000677)]