21291132

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 51752960

約数和(自身を除く): 30461828

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 79, 111, 148, 158, 222, 237, 316, 444, 474, 607, 948, 1214, 1821, 2428, 2923, 3642, 5846, 7284, 8769, 11692, 17538, 22459, 35076, 44918, 47953, 67377, 89836, 95906, 134754, 143859, 191812, 269508, 287718, 575436, 1774261, 3548522, 5322783, 7097044, 10645566, 21291132]

約数ペア:

[(1, 21291132), (2, 10645566), (3, 7097044), (4, 5322783), (6, 3548522), (12, 1774261), (37, 575436), (74, 287718), (79, 269508), (111, 191812), (148, 143859), (158, 134754), (222, 95906), (237, 89836), (316, 67377), (444, 47953), (474, 44918), (607, 35076), (948, 22459), (1214, 17538), (1821, 11692), (2428, 8769), (2923, 7284), (3642, 5846)]