21218414

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89153}}^1$

素因数の和:89179

約数の個数: 16

約数和(自身を含む): 38514528

約数和(自身を除く): 17296114

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 89153, 178306, 624071, 1248142, 1515601, 3031202, 10609207, 21218414]

約数ペア:

[(1, 21218414), (2, 10609207), (7, 3031202), (14, 1515601), (17, 1248142), (34, 624071), (119, 178306), (238, 89153)]