21110208

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 112

約数和(自身を含む): 64861440

約数和(自身を除く): 43751232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 113, 139, 168, 192, 224, 226, 278, 336, 339, 417, 448, 452, 556, 672, 678, 791, 834, 904, 973, 1112, 1344, 1356, 1582, 1668, 1808, 1946, 2224, 2373, 2712, 2919, 3164, 3336, 3616, 3892, 4448, 4746, 5424, 5838, 6328, 6672, 7232, 7784, 8896, 9492, 10848, 11676, 12656, 13344, 15568, 15707, 18984, 21696, 23352, 25312, 26688, 31136, 31414, 37968, 46704, 47121, 50624, 62272, 62828, 75936, 93408, 94242, 109949, 125656, 151872, 186816, 188484, 219898, 251312, 329847, 376968, 439796, 502624, 659694, 753936, 879592, 1005248, 1319388, 1507872, 1759184, 2638776, 3015744, 3518368, 5277552, 7036736, 10555104, 21110208]

約数ペア:

[(1, 21110208), (2, 10555104), (3, 7036736), (4, 5277552), (6, 3518368), (7, 3015744), (8, 2638776), (12, 1759184), (14, 1507872), (16, 1319388), (21, 1005248), (24, 879592), (28, 753936), (32, 659694), (42, 502624), (48, 439796), (56, 376968), (64, 329847), (84, 251312), (96, 219898), (112, 188484), (113, 186816), (139, 151872), (168, 125656), (192, 109949), (224, 94242), (226, 93408), (278, 75936), (336, 62828), (339, 62272), (417, 50624), (448, 47121), (452, 46704), (556, 37968), (672, 31414), (678, 31136), (791, 26688), (834, 25312), (904, 23352), (973, 21696), (1112, 18984), (1344, 15707), (1356, 15568), (1582, 13344), (1668, 12656), (1808, 11676), (1946, 10848), (2224, 9492), (2373, 8896), (2712, 7784), (2919, 7232), (3164, 6672), (3336, 6328), (3616, 5838), (3892, 5424), (4448, 4746)]