21253752

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 66579240

約数和(自身を除く): 45325488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 29, 36, 39, 52, 54, 58, 72, 78, 81, 87, 104, 108, 116, 117, 156, 162, 174, 216, 232, 234, 243, 261, 312, 324, 348, 351, 377, 468, 486, 522, 648, 696, 702, 754, 783, 841, 936, 972, 1044, 1053, 1131, 1404, 1508, 1566, 1682, 1944, 2088, 2106, 2262, 2349, 2523, 2808, 3016, 3132, 3159, 3364, 3393, 4212, 4524, 4698, 5046, 6264, 6318, 6728, 6786, 7047, 7569, 8424, 9048, 9396, 10092, 10179, 10933, 12636, 13572, 14094, 15138, 18792, 20184, 20358, 21866, 22707, 25272, 27144, 28188, 30276, 30537, 32799, 40716, 43732, 45414, 56376, 60552, 61074, 65598, 68121, 81432, 87464, 90828, 91611, 98397, 122148, 131196, 136242, 181656, 183222, 196794, 204363, 244296, 262392, 272484, 295191, 366444, 393588, 408726, 544968, 590382, 732888, 787176, 817452, 885573, 1180764, 1634904, 1771146, 2361528, 2656719, 3542292, 5313438, 7084584, 10626876, 21253752]

約数ペア:

[(1, 21253752), (2, 10626876), (3, 7084584), (4, 5313438), (6, 3542292), (8, 2656719), (9, 2361528), (12, 1771146), (13, 1634904), (18, 1180764), (24, 885573), (26, 817452), (27, 787176), (29, 732888), (36, 590382), (39, 544968), (52, 408726), (54, 393588), (58, 366444), (72, 295191), (78, 272484), (81, 262392), (87, 244296), (104, 204363), (108, 196794), (116, 183222), (117, 181656), (156, 136242), (162, 131196), (174, 122148), (216, 98397), (232, 91611), (234, 90828), (243, 87464), (261, 81432), (312, 68121), (324, 65598), (348, 61074), (351, 60552), (377, 56376), (468, 45414), (486, 43732), (522, 40716), (648, 32799), (696, 30537), (702, 30276), (754, 28188), (783, 27144), (841, 25272), (936, 22707), (972, 21866), (1044, 20358), (1053, 20184), (1131, 18792), (1404, 15138), (1508, 14094), (1566, 13572), (1682, 12636), (1944, 10933), (2088, 10179), (2106, 10092), (2262, 9396), (2349, 9048), (2523, 8424), (2808, 7569), (3016, 7047), (3132, 6786), (3159, 6728), (3364, 6318), (3393, 6264), (4212, 5046), (4524, 4698)]