21739493804

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2311}}^1\times {\mathrm{2417}}^1$

素因数の和:4878

約数の個数: 48

約数和(自身を含む): 43828861440

約数和(自身を除く): 22089367636

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 2311, 2417, 3892, 4622, 4834, 9244, 9668, 16177, 16919, 32354, 33838, 64708, 67676, 321229, 335963, 642458, 671926, 1284916, 1343852, 2248603, 2351741, 4497206, 4703482, 5585687, 8994412, 9406964, 11171374, 22342748, 39099809, 78199618, 156399236, 776410493, 1552820986, 3105641972, 5434873451, 10869746902, 21739493804]

約数ペア:

[(1, 21739493804), (2, 10869746902), (4, 5434873451), (7, 3105641972), (14, 1552820986), (28, 776410493), (139, 156399236), (278, 78199618), (556, 39099809), (973, 22342748), (1946, 11171374), (2311, 9406964), (2417, 8994412), (3892, 5585687), (4622, 4703482), (4834, 4497206), (9244, 2351741), (9668, 2248603), (16177, 1343852), (16919, 1284916), (32354, 671926), (33838, 642458), (64708, 335963), (67676, 321229)]