21491772

素因数分解:

$2^2\times 3^1\times {\mathrm{479}}^1\times {\mathrm{3739}}^1$

素因数の和:4225

約数の個数: 24

約数和(自身を含む): 50265600

約数和(自身を除く): 28773828

約数列:

[1, 2, 3, 4, 6, 12, 479, 958, 1437, 1916, 2874, 3739, 5748, 7478, 11217, 14956, 22434, 44868, 1790981, 3581962, 5372943, 7163924, 10745886, 21491772]

約数ペア:

[(1, 21491772), (2, 10745886), (3, 7163924), (4, 5372943), (6, 3581962), (12, 1790981), (479, 44868), (958, 22434), (1437, 14956), (1916, 11217), (2874, 7478), (3739, 5748)]