21105024

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 61469280

約数和(自身を除く): 40364256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 53, 61, 64, 68, 96, 102, 106, 122, 128, 136, 159, 183, 192, 204, 212, 244, 272, 318, 366, 384, 408, 424, 488, 544, 636, 732, 816, 848, 901, 976, 1037, 1088, 1272, 1464, 1632, 1696, 1802, 1952, 2074, 2176, 2544, 2703, 2928, 3111, 3233, 3264, 3392, 3604, 3904, 4148, 5088, 5406, 5856, 6222, 6466, 6528, 6784, 7208, 7808, 8296, 9699, 10176, 10812, 11712, 12444, 12932, 14416, 16592, 19398, 20352, 21624, 23424, 24888, 25864, 28832, 33184, 38796, 43248, 49776, 51728, 54961, 57664, 66368, 77592, 86496, 99552, 103456, 109922, 115328, 132736, 155184, 164883, 172992, 199104, 206912, 219844, 310368, 329766, 345984, 398208, 413824, 439688, 620736, 659532, 879376, 1241472, 1319064, 1758752, 2638128, 3517504, 5276256, 7035008, 10552512, 21105024]

約数ペア:

[(1, 21105024), (2, 10552512), (3, 7035008), (4, 5276256), (6, 3517504), (8, 2638128), (12, 1758752), (16, 1319064), (17, 1241472), (24, 879376), (32, 659532), (34, 620736), (48, 439688), (51, 413824), (53, 398208), (61, 345984), (64, 329766), (68, 310368), (96, 219844), (102, 206912), (106, 199104), (122, 172992), (128, 164883), (136, 155184), (159, 132736), (183, 115328), (192, 109922), (204, 103456), (212, 99552), (244, 86496), (272, 77592), (318, 66368), (366, 57664), (384, 54961), (408, 51728), (424, 49776), (488, 43248), (544, 38796), (636, 33184), (732, 28832), (816, 25864), (848, 24888), (901, 23424), (976, 21624), (1037, 20352), (1088, 19398), (1272, 16592), (1464, 14416), (1632, 12932), (1696, 12444), (1802, 11712), (1952, 10812), (2074, 10176), (2176, 9699), (2544, 8296), (2703, 7808), (2928, 7208), (3111, 6784), (3233, 6528), (3264, 6466), (3392, 6222), (3604, 5856), (3904, 5406), (4148, 5088)]