21066188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2833}}^1$

素因数の和:2874

約数の個数: 36

約数和(自身を含む): 43564248

約数和(自身を除く): 22498060

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2833, 3718, 5666, 7436, 11332, 31163, 36829, 62326, 73658, 124652, 147316, 405119, 478777, 810238, 957554, 1620476, 1915108, 5266547, 10533094, 21066188]

約数ペア:

[(1, 21066188), (2, 10533094), (4, 5266547), (11, 1915108), (13, 1620476), (22, 957554), (26, 810238), (44, 478777), (52, 405119), (143, 147316), (169, 124652), (286, 73658), (338, 62326), (572, 36829), (676, 31163), (1859, 11332), (2833, 7436), (3718, 5666)]