21147864

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{3049}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 56181000

約数和(自身を除く): 35033136

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 289, 408, 578, 867, 1156, 1734, 2312, 3049, 3468, 6098, 6936, 9147, 12196, 18294, 24392, 36588, 51833, 73176, 103666, 155499, 207332, 310998, 414664, 621996, 881161, 1243992, 1762322, 2643483, 3524644, 5286966, 7049288, 10573932, 21147864]

約数ペア:

[(1, 21147864), (2, 10573932), (3, 7049288), (4, 5286966), (6, 3524644), (8, 2643483), (12, 1762322), (17, 1243992), (24, 881161), (34, 621996), (51, 414664), (68, 310998), (102, 207332), (136, 155499), (204, 103666), (289, 73176), (408, 51833), (578, 36588), (867, 24392), (1156, 18294), (1734, 12196), (2312, 9147), (3049, 6936), (3468, 6098)]