21175224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 60867840

約数和(自身を除く): 39692616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 241, 482, 523, 723, 964, 1046, 1446, 1569, 1687, 1928, 2092, 2892, 3138, 3374, 3661, 4184, 5061, 5784, 6276, 6748, 7322, 10122, 10983, 12552, 13496, 14644, 20244, 21966, 29288, 40488, 43932, 87864, 126043, 252086, 378129, 504172, 756258, 882301, 1008344, 1512516, 1764602, 2646903, 3025032, 3529204, 5293806, 7058408, 10587612, 21175224]

約数ペア:

[(1, 21175224), (2, 10587612), (3, 7058408), (4, 5293806), (6, 3529204), (7, 3025032), (8, 2646903), (12, 1764602), (14, 1512516), (21, 1008344), (24, 882301), (28, 756258), (42, 504172), (56, 378129), (84, 252086), (168, 126043), (241, 87864), (482, 43932), (523, 40488), (723, 29288), (964, 21966), (1046, 20244), (1446, 14644), (1569, 13496), (1687, 12552), (1928, 10983), (2092, 10122), (2892, 7322), (3138, 6748), (3374, 6276), (3661, 5784), (4184, 5061)]