21257412

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9473}}^1$

素因数の和:9508

約数の個数: 48

約数和(自身を含む): 57298752

約数和(自身を除く): 36041340

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, 9473, 18946, 28419, 37892, 56838, 104203, 113676, 161041, 208406, 312609, 322082, 416812, 483123, 625218, 644164, 966246, 1250436, 1771451, 1932492, 3542902, 5314353, 7085804, 10628706, 21257412]

約数ペア:

[(1, 21257412), (2, 10628706), (3, 7085804), (4, 5314353), (6, 3542902), (11, 1932492), (12, 1771451), (17, 1250436), (22, 966246), (33, 644164), (34, 625218), (44, 483123), (51, 416812), (66, 322082), (68, 312609), (102, 208406), (132, 161041), (187, 113676), (204, 104203), (374, 56838), (561, 37892), (748, 28419), (1122, 18946), (2244, 9473)]