21910908

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42463}}^1$

素因数の和:42513

約数の個数: 24

約数和(自身を含む): 52315648

約数和(自身を除く): 30404740

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42463, 84926, 127389, 169852, 254778, 509556, 1825909, 3651818, 5477727, 7303636, 10955454, 21910908]

約数ペア:

[(1, 21910908), (2, 10955454), (3, 7303636), (4, 5477727), (6, 3651818), (12, 1825909), (43, 509556), (86, 254778), (129, 169852), (172, 127389), (258, 84926), (516, 42463)]