21072384

素因数分解:

$2^9\times 3^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:310

約数の個数: 120

約数和(自身を含む): 64633140

約数和(自身を除く): 43560756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 256, 269, 272, 288, 306, 384, 408, 512, 538, 544, 576, 612, 768, 807, 816, 1076, 1088, 1152, 1224, 1536, 1614, 1632, 2152, 2176, 2304, 2421, 2448, 3228, 3264, 4304, 4352, 4573, 4608, 4842, 4896, 6456, 6528, 8608, 8704, 9146, 9684, 9792, 12912, 13056, 13719, 17216, 18292, 19368, 19584, 25824, 26112, 27438, 34432, 36584, 38736, 39168, 41157, 51648, 54876, 68864, 73168, 77472, 78336, 82314, 103296, 109752, 137728, 146336, 154944, 164628, 206592, 219504, 292672, 309888, 329256, 413184, 439008, 585344, 619776, 658512, 878016, 1170688, 1239552, 1317024, 1756032, 2341376, 2634048, 3512064, 5268096, 7024128, 10536192, 21072384]

約数ペア:

[(1, 21072384), (2, 10536192), (3, 7024128), (4, 5268096), (6, 3512064), (8, 2634048), (9, 2341376), (12, 1756032), (16, 1317024), (17, 1239552), (18, 1170688), (24, 878016), (32, 658512), (34, 619776), (36, 585344), (48, 439008), (51, 413184), (64, 329256), (68, 309888), (72, 292672), (96, 219504), (102, 206592), (128, 164628), (136, 154944), (144, 146336), (153, 137728), (192, 109752), (204, 103296), (256, 82314), (269, 78336), (272, 77472), (288, 73168), (306, 68864), (384, 54876), (408, 51648), (512, 41157), (538, 39168), (544, 38736), (576, 36584), (612, 34432), (768, 27438), (807, 26112), (816, 25824), (1076, 19584), (1088, 19368), (1152, 18292), (1224, 17216), (1536, 13719), (1614, 13056), (1632, 12912), (2152, 9792), (2176, 9684), (2304, 9146), (2421, 8704), (2448, 8608), (3228, 6528), (3264, 6456), (4304, 4896), (4352, 4842), (4573, 4608)]