21561570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2239}}^1$

素因数の和:2359

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 35047710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2239, 3210, 4478, 4815, 6717, 9630, 11195, 13434, 20151, 22390, 33585, 40302, 67170, 100755, 201510, 239573, 479146, 718719, 1197865, 1437438, 2156157, 2395730, 3593595, 4312314, 7187190, 10780785, 21561570]

約数ペア:

[(1, 21561570), (2, 10780785), (3, 7187190), (5, 4312314), (6, 3593595), (9, 2395730), (10, 2156157), (15, 1437438), (18, 1197865), (30, 718719), (45, 479146), (90, 239573), (107, 201510), (214, 100755), (321, 67170), (535, 40302), (642, 33585), (963, 22390), (1070, 20151), (1605, 13434), (1926, 11195), (2239, 9630), (3210, 6717), (4478, 4815)]