21552804

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 240

約数和(自身を含む): 75132288

約数和(自身を除く): 53579484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 27, 28, 34, 36, 39, 42, 43, 51, 52, 54, 63, 68, 78, 81, 84, 86, 91, 102, 108, 117, 119, 126, 129, 153, 156, 162, 172, 182, 189, 204, 221, 234, 238, 252, 258, 273, 301, 306, 324, 351, 357, 364, 378, 387, 442, 459, 468, 476, 516, 546, 559, 567, 602, 612, 663, 702, 714, 731, 756, 774, 819, 884, 903, 918, 1053, 1071, 1092, 1118, 1134, 1161, 1204, 1326, 1377, 1404, 1428, 1462, 1547, 1548, 1638, 1677, 1806, 1836, 1989, 2106, 2142, 2193, 2236, 2268, 2322, 2457, 2652, 2709, 2754, 2924, 3094, 3213, 3276, 3354, 3483, 3612, 3913, 3978, 4212, 4284, 4386, 4641, 4644, 4914, 5031, 5117, 5418, 5508, 5967, 6188, 6426, 6579, 6708, 6966, 7371, 7826, 7956, 8127, 8772, 9282, 9503, 9639, 9828, 10062, 10234, 10836, 11739, 11934, 12852, 13158, 13923, 13932, 14742, 15093, 15351, 15652, 16254, 17901, 18564, 19006, 19278, 19737, 20124, 20468, 23478, 23868, 24381, 26316, 27846, 28509, 29484, 30186, 30702, 32508, 35217, 35802, 38012, 38556, 39474, 41769, 45279, 46053, 46956, 48762, 55692, 57018, 59211, 60372, 61404, 66521, 70434, 71604, 78948, 83538, 85527, 90558, 92106, 97524, 105651, 114036, 118422, 125307, 133042, 138159, 140868, 167076, 171054, 181116, 184212, 199563, 211302, 236844, 250614, 256581, 266084, 276318, 316953, 342108, 399126, 414477, 422604, 501228, 513162, 552636, 598689, 633906, 769743, 798252, 828954, 1026324, 1197378, 1267812, 1539486, 1657908, 1796067, 2394756, 3078972, 3592134, 5388201, 7184268, 10776402, 21552804]

約数ペア:

[(1, 21552804), (2, 10776402), (3, 7184268), (4, 5388201), (6, 3592134), (7, 3078972), (9, 2394756), (12, 1796067), (13, 1657908), (14, 1539486), (17, 1267812), (18, 1197378), (21, 1026324), (26, 828954), (27, 798252), (28, 769743), (34, 633906), (36, 598689), (39, 552636), (42, 513162), (43, 501228), (51, 422604), (52, 414477), (54, 399126), (63, 342108), (68, 316953), (78, 276318), (81, 266084), (84, 256581), (86, 250614), (91, 236844), (102, 211302), (108, 199563), (117, 184212), (119, 181116), (126, 171054), (129, 167076), (153, 140868), (156, 138159), (162, 133042), (172, 125307), (182, 118422), (189, 114036), (204, 105651), (221, 97524), (234, 92106), (238, 90558), (252, 85527), (258, 83538), (273, 78948), (301, 71604), (306, 70434), (324, 66521), (351, 61404), (357, 60372), (364, 59211), (378, 57018), (387, 55692), (442, 48762), (459, 46956), (468, 46053), (476, 45279), (516, 41769), (546, 39474), (559, 38556), (567, 38012), (602, 35802), (612, 35217), (663, 32508), (702, 30702), (714, 30186), (731, 29484), (756, 28509), (774, 27846), (819, 26316), (884, 24381), (903, 23868), (918, 23478), (1053, 20468), (1071, 20124), (1092, 19737), (1118, 19278), (1134, 19006), (1161, 18564), (1204, 17901), (1326, 16254), (1377, 15652), (1404, 15351), (1428, 15093), (1462, 14742), (1547, 13932), (1548, 13923), (1638, 13158), (1677, 12852), (1806, 11934), (1836, 11739), (1989, 10836), (2106, 10234), (2142, 10062), (2193, 9828), (2236, 9639), (2268, 9503), (2322, 9282), (2457, 8772), (2652, 8127), (2709, 7956), (2754, 7826), (2924, 7371), (3094, 6966), (3213, 6708), (3276, 6579), (3354, 6426), (3483, 6188), (3612, 5967), (3913, 5508), (3978, 5418), (4212, 5117), (4284, 5031), (4386, 4914), (4641, 4644)]