21066934

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 39340800

約数和(自身を除く): 18273866

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2731, 3857, 5462, 7714, 19117, 38234, 51889, 79199, 103778, 158398, 363223, 554393, 726446, 1108786, 1504781, 3009562, 10533467, 21066934]

約数ペア:

[(1, 21066934), (2, 10533467), (7, 3009562), (14, 1504781), (19, 1108786), (29, 726446), (38, 554393), (58, 363223), (133, 158398), (203, 103778), (266, 79199), (406, 51889), (551, 38234), (1102, 19117), (2731, 7714), (3857, 5462)]