21511392

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 69809040

約数和(自身を除く): 48297648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 68, 84, 96, 98, 102, 112, 119, 136, 147, 168, 196, 204, 224, 238, 269, 272, 294, 336, 357, 392, 408, 476, 538, 544, 588, 672, 714, 784, 807, 816, 833, 952, 1076, 1176, 1428, 1568, 1614, 1632, 1666, 1883, 1904, 2152, 2352, 2499, 2856, 3228, 3332, 3766, 3808, 4304, 4573, 4704, 4998, 5649, 5712, 6456, 6664, 7532, 8608, 9146, 9996, 11298, 11424, 12912, 13181, 13328, 13719, 15064, 18292, 19992, 22596, 25824, 26362, 26656, 27438, 30128, 32011, 36584, 39543, 39984, 45192, 52724, 54876, 60256, 64022, 73168, 79086, 79968, 90384, 96033, 105448, 109752, 128044, 146336, 158172, 180768, 192066, 210896, 219504, 224077, 256088, 316344, 384132, 421792, 439008, 448154, 512176, 632688, 672231, 768264, 896308, 1024352, 1265376, 1344462, 1536528, 1792616, 2688924, 3073056, 3585232, 5377848, 7170464, 10755696, 21511392]

約数ペア:

[(1, 21511392), (2, 10755696), (3, 7170464), (4, 5377848), (6, 3585232), (7, 3073056), (8, 2688924), (12, 1792616), (14, 1536528), (16, 1344462), (17, 1265376), (21, 1024352), (24, 896308), (28, 768264), (32, 672231), (34, 632688), (42, 512176), (48, 448154), (49, 439008), (51, 421792), (56, 384132), (68, 316344), (84, 256088), (96, 224077), (98, 219504), (102, 210896), (112, 192066), (119, 180768), (136, 158172), (147, 146336), (168, 128044), (196, 109752), (204, 105448), (224, 96033), (238, 90384), (269, 79968), (272, 79086), (294, 73168), (336, 64022), (357, 60256), (392, 54876), (408, 52724), (476, 45192), (538, 39984), (544, 39543), (588, 36584), (672, 32011), (714, 30128), (784, 27438), (807, 26656), (816, 26362), (833, 25824), (952, 22596), (1076, 19992), (1176, 18292), (1428, 15064), (1568, 13719), (1614, 13328), (1632, 13181), (1666, 12912), (1883, 11424), (1904, 11298), (2152, 9996), (2352, 9146), (2499, 8608), (2856, 7532), (3228, 6664), (3332, 6456), (3766, 5712), (3808, 5649), (4304, 4998), (4573, 4704)]