21001684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 21132716

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 109, 116, 151, 218, 302, 319, 436, 604, 638, 1199, 1276, 1661, 2398, 3161, 3322, 4379, 4796, 6322, 6644, 8758, 12644, 16459, 17516, 32918, 34771, 48169, 65836, 69542, 96338, 139084, 181049, 192676, 362098, 477311, 724196, 954622, 1909244, 5250421, 10500842, 21001684]

約数ペア:

[(1, 21001684), (2, 10500842), (4, 5250421), (11, 1909244), (22, 954622), (29, 724196), (44, 477311), (58, 362098), (109, 192676), (116, 181049), (151, 139084), (218, 96338), (302, 69542), (319, 65836), (436, 48169), (604, 34771), (638, 32918), (1199, 17516), (1276, 16459), (1661, 12644), (2398, 8758), (3161, 6644), (3322, 6322), (4379, 4796)]