21019176

素因数分解:

$2^3\times 3^4\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 59532000

約数和(自身を除く): 38512824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 163, 199, 216, 324, 326, 398, 489, 597, 648, 652, 796, 978, 1194, 1304, 1467, 1592, 1791, 1956, 2388, 2934, 3582, 3912, 4401, 4776, 5373, 5868, 7164, 8802, 10746, 11736, 13203, 14328, 16119, 17604, 21492, 26406, 32238, 32437, 35208, 42984, 52812, 64476, 64874, 97311, 105624, 128952, 129748, 194622, 259496, 291933, 389244, 583866, 778488, 875799, 1167732, 1751598, 2335464, 2627397, 3503196, 5254794, 7006392, 10509588, 21019176]

約数ペア:

[(1, 21019176), (2, 10509588), (3, 7006392), (4, 5254794), (6, 3503196), (8, 2627397), (9, 2335464), (12, 1751598), (18, 1167732), (24, 875799), (27, 778488), (36, 583866), (54, 389244), (72, 291933), (81, 259496), (108, 194622), (162, 129748), (163, 128952), (199, 105624), (216, 97311), (324, 64874), (326, 64476), (398, 52812), (489, 42984), (597, 35208), (648, 32437), (652, 32238), (796, 26406), (978, 21492), (1194, 17604), (1304, 16119), (1467, 14328), (1592, 13203), (1791, 11736), (1956, 10746), (2388, 8802), (2934, 7164), (3582, 5868), (3912, 5373), (4401, 4776)]