21469728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:806

約数の個数: 96

約数和(自身を含む): 65995776

約数和(自身を除く): 44526048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 84, 86, 96, 112, 129, 168, 172, 224, 258, 301, 336, 344, 516, 602, 672, 688, 743, 903, 1032, 1204, 1376, 1486, 1806, 2064, 2229, 2408, 2972, 3612, 4128, 4458, 4816, 5201, 5944, 7224, 8916, 9632, 10402, 11888, 14448, 15603, 17832, 20804, 23776, 28896, 31206, 31949, 35664, 41608, 62412, 63898, 71328, 83216, 95847, 124824, 127796, 166432, 191694, 223643, 249648, 255592, 383388, 447286, 499296, 511184, 670929, 766776, 894572, 1022368, 1341858, 1533552, 1789144, 2683716, 3067104, 3578288, 5367432, 7156576, 10734864, 21469728]

約数ペア:

[(1, 21469728), (2, 10734864), (3, 7156576), (4, 5367432), (6, 3578288), (7, 3067104), (8, 2683716), (12, 1789144), (14, 1533552), (16, 1341858), (21, 1022368), (24, 894572), (28, 766776), (32, 670929), (42, 511184), (43, 499296), (48, 447286), (56, 383388), (84, 255592), (86, 249648), (96, 223643), (112, 191694), (129, 166432), (168, 127796), (172, 124824), (224, 95847), (258, 83216), (301, 71328), (336, 63898), (344, 62412), (516, 41608), (602, 35664), (672, 31949), (688, 31206), (743, 28896), (903, 23776), (1032, 20804), (1204, 17832), (1376, 15603), (1486, 14448), (1806, 11888), (2064, 10402), (2229, 9632), (2408, 8916), (2972, 7224), (3612, 5944), (4128, 5201), (4458, 4816)]