21504264

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 35174136

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 163, 184, 239, 276, 326, 478, 489, 552, 652, 717, 956, 978, 1304, 1434, 1912, 1956, 2868, 3749, 3912, 5497, 5736, 7498, 10994, 11247, 14996, 16491, 21988, 22494, 29992, 32982, 38957, 43976, 44988, 65964, 77914, 89976, 116871, 131928, 155828, 233742, 311656, 467484, 896011, 934968, 1792022, 2688033, 3584044, 5376066, 7168088, 10752132, 21504264]

約数ペア:

[(1, 21504264), (2, 10752132), (3, 7168088), (4, 5376066), (6, 3584044), (8, 2688033), (12, 1792022), (23, 934968), (24, 896011), (46, 467484), (69, 311656), (92, 233742), (138, 155828), (163, 131928), (184, 116871), (239, 89976), (276, 77914), (326, 65964), (478, 44988), (489, 43976), (552, 38957), (652, 32982), (717, 29992), (956, 22494), (978, 21988), (1304, 16491), (1434, 14996), (1912, 11247), (1956, 10994), (2868, 7498), (3749, 5736), (3912, 5497)]