21063204

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 57028608

約数和(自身を除く): 35965404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 254, 271, 306, 381, 508, 542, 612, 762, 813, 1084, 1143, 1524, 1626, 2159, 2286, 2439, 3252, 4318, 4572, 4607, 4878, 6477, 8636, 9214, 9756, 12954, 13821, 18428, 19431, 25908, 27642, 34417, 38862, 41463, 55284, 68834, 77724, 82926, 103251, 137668, 165852, 206502, 309753, 413004, 585089, 619506, 1170178, 1239012, 1755267, 2340356, 3510534, 5265801, 7021068, 10531602, 21063204]

約数ペア:

[(1, 21063204), (2, 10531602), (3, 7021068), (4, 5265801), (6, 3510534), (9, 2340356), (12, 1755267), (17, 1239012), (18, 1170178), (34, 619506), (36, 585089), (51, 413004), (68, 309753), (102, 206502), (127, 165852), (153, 137668), (204, 103251), (254, 82926), (271, 77724), (306, 68834), (381, 55284), (508, 41463), (542, 38862), (612, 34417), (762, 27642), (813, 25908), (1084, 19431), (1143, 18428), (1524, 13821), (1626, 12954), (2159, 9756), (2286, 9214), (2439, 8636), (3252, 6477), (4318, 4878), (4572, 4607)]