21135552

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 112

約数和(自身を含む): 59692032

約数和(自身を除く): 38556480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 53, 62, 64, 67, 93, 96, 106, 124, 134, 159, 186, 192, 201, 212, 248, 268, 318, 372, 402, 424, 496, 536, 636, 744, 804, 848, 992, 1072, 1272, 1488, 1608, 1643, 1696, 1984, 2077, 2144, 2544, 2976, 3216, 3286, 3392, 3551, 4154, 4288, 4929, 5088, 5952, 6231, 6432, 6572, 7102, 8308, 9858, 10176, 10653, 12462, 12864, 13144, 14204, 16616, 19716, 21306, 24924, 26288, 28408, 33232, 39432, 42612, 49848, 52576, 56816, 66464, 78864, 85224, 99696, 105152, 110081, 113632, 132928, 157728, 170448, 199392, 220162, 227264, 315456, 330243, 340896, 398784, 440324, 660486, 681792, 880648, 1320972, 1761296, 2641944, 3522592, 5283888, 7045184, 10567776, 21135552]

約数ペア:

[(1, 21135552), (2, 10567776), (3, 7045184), (4, 5283888), (6, 3522592), (8, 2641944), (12, 1761296), (16, 1320972), (24, 880648), (31, 681792), (32, 660486), (48, 440324), (53, 398784), (62, 340896), (64, 330243), (67, 315456), (93, 227264), (96, 220162), (106, 199392), (124, 170448), (134, 157728), (159, 132928), (186, 113632), (192, 110081), (201, 105152), (212, 99696), (248, 85224), (268, 78864), (318, 66464), (372, 56816), (402, 52576), (424, 49848), (496, 42612), (536, 39432), (636, 33232), (744, 28408), (804, 26288), (848, 24924), (992, 21306), (1072, 19716), (1272, 16616), (1488, 14204), (1608, 13144), (1643, 12864), (1696, 12462), (1984, 10653), (2077, 10176), (2144, 9858), (2544, 8308), (2976, 7102), (3216, 6572), (3286, 6432), (3392, 6231), (3551, 5952), (4154, 5088), (4288, 4929)]