21449016

素因数分解:

$2^3\times 3^3\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 60000000

約数和(自身を除く): 38550984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 199, 216, 398, 499, 597, 796, 998, 1194, 1497, 1592, 1791, 1996, 2388, 2994, 3582, 3992, 4491, 4776, 5373, 5988, 7164, 8982, 10746, 11976, 13473, 14328, 17964, 21492, 26946, 35928, 42984, 53892, 99301, 107784, 198602, 297903, 397204, 595806, 794408, 893709, 1191612, 1787418, 2383224, 2681127, 3574836, 5362254, 7149672, 10724508, 21449016]

約数ペア:

[(1, 21449016), (2, 10724508), (3, 7149672), (4, 5362254), (6, 3574836), (8, 2681127), (9, 2383224), (12, 1787418), (18, 1191612), (24, 893709), (27, 794408), (36, 595806), (54, 397204), (72, 297903), (108, 198602), (199, 107784), (216, 99301), (398, 53892), (499, 42984), (597, 35928), (796, 26946), (998, 21492), (1194, 17964), (1497, 14328), (1592, 13473), (1791, 11976), (1996, 10746), (2388, 8982), (2994, 7164), (3582, 5988), (3992, 5373), (4491, 4776)]