21850864

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:662

約数の個数: 60

約数和(自身を含む): 50380704

約数和(自身を除く): 28529840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 593, 658, 752, 784, 1186, 1316, 2303, 2372, 2632, 4151, 4606, 4744, 5264, 8302, 9212, 9488, 16604, 18424, 27871, 29057, 33208, 36848, 55742, 58114, 66416, 111484, 116228, 195097, 222968, 232456, 390194, 445936, 464912, 780388, 1365679, 1560776, 2731358, 3121552, 5462716, 10925432, 21850864]

約数ペア:

[(1, 21850864), (2, 10925432), (4, 5462716), (7, 3121552), (8, 2731358), (14, 1560776), (16, 1365679), (28, 780388), (47, 464912), (49, 445936), (56, 390194), (94, 232456), (98, 222968), (112, 195097), (188, 116228), (196, 111484), (329, 66416), (376, 58114), (392, 55742), (593, 36848), (658, 33208), (752, 29057), (784, 27871), (1186, 18424), (1316, 16604), (2303, 9488), (2372, 9212), (2632, 8302), (4151, 5264), (4606, 4744)]