21616404

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17489}}^1$

素因数の和:17599

約数の個数: 24

約数和(自身を含む): 50930880

約数和(自身を除く): 29314476

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17489, 34978, 52467, 69956, 104934, 209868, 1801367, 3602734, 5404101, 7205468, 10808202, 21616404]

約数ペア:

[(1, 21616404), (2, 10808202), (3, 7205468), (4, 5404101), (6, 3602734), (12, 1801367), (103, 209868), (206, 104934), (309, 69956), (412, 52467), (618, 34978), (1236, 17489)]