21023568

素因数分解:

$2^4\times 3^2\times {\mathrm{83}}^1\times {\mathrm{1759}}^1$

素因数の和:1856

約数の個数: 60

約数和(自身を含む): 59579520

約数和(自身を除く): 38555952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 83, 144, 166, 249, 332, 498, 664, 747, 996, 1328, 1494, 1759, 1992, 2988, 3518, 3984, 5277, 5976, 7036, 10554, 11952, 14072, 15831, 21108, 28144, 31662, 42216, 63324, 84432, 126648, 145997, 253296, 291994, 437991, 583988, 875982, 1167976, 1313973, 1751964, 2335952, 2627946, 3503928, 5255892, 7007856, 10511784, 21023568]

約数ペア:

[(1, 21023568), (2, 10511784), (3, 7007856), (4, 5255892), (6, 3503928), (8, 2627946), (9, 2335952), (12, 1751964), (16, 1313973), (18, 1167976), (24, 875982), (36, 583988), (48, 437991), (72, 291994), (83, 253296), (144, 145997), (166, 126648), (249, 84432), (332, 63324), (498, 42216), (664, 31662), (747, 28144), (996, 21108), (1328, 15831), (1494, 14072), (1759, 11952), (1992, 10554), (2988, 7036), (3518, 5976), (3984, 5277)]