21347368

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3701}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 46200960

約数和(自身を除く): 24853592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3701, 5768, 7402, 14804, 25907, 29608, 51814, 103628, 207256, 381203, 762406, 1524812, 2668421, 3049624, 5336842, 10673684, 21347368]

約数ペア:

[(1, 21347368), (2, 10673684), (4, 5336842), (7, 3049624), (8, 2668421), (14, 1524812), (28, 762406), (56, 381203), (103, 207256), (206, 103628), (412, 51814), (721, 29608), (824, 25907), (1442, 14804), (2884, 7402), (3701, 5768)]