21086868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9397}}^1$

素因数の和:9432

約数の個数: 48

約数和(自身を含む): 56839104

約数和(自身を除く): 35752236

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 9397, 18794, 28191, 37588, 56382, 103367, 112764, 159749, 206734, 310101, 319498, 413468, 479247, 620202, 638996, 958494, 1240404, 1757239, 1916988, 3514478, 5271717, 7028956, 10543434, 21086868]

約数ペア:

[(1, 21086868), (2, 10543434), (3, 7028956), (4, 5271717), (6, 3514478), (11, 1916988), (12, 1757239), (17, 1240404), (22, 958494), (33, 638996), (34, 620202), (44, 479247), (51, 413468), (66, 319498), (68, 310101), (102, 206734), (132, 159749), (187, 112764), (204, 103367), (374, 56382), (561, 37588), (748, 28191), (1122, 18794), (2244, 9397)]