21026898

素因数分解:

$2^1\times 3^3\times {\mathrm{367}}^1\times {\mathrm{1061}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 46897920

約数和(自身を除く): 25871022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 367, 734, 1061, 1101, 2122, 2202, 3183, 3303, 6366, 6606, 9549, 9909, 19098, 19818, 28647, 57294, 389387, 778774, 1168161, 2336322, 3504483, 7008966, 10513449, 21026898]

約数ペア:

[(1, 21026898), (2, 10513449), (3, 7008966), (6, 3504483), (9, 2336322), (18, 1168161), (27, 778774), (54, 389387), (367, 57294), (734, 28647), (1061, 19818), (1101, 19098), (2122, 9909), (2202, 9549), (3183, 6606), (3303, 6366)]