21026150

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1993}}^1$

素因数の和:2216

約数の個数: 24

約数和(自身を含む): 39313704

約数和(自身を除く): 18287554

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 1055, 1993, 2110, 3986, 5275, 9965, 10550, 19930, 49825, 99650, 420523, 841046, 2102615, 4205230, 10513075, 21026150]

約数ペア:

[(1, 21026150), (2, 10513075), (5, 4205230), (10, 2102615), (25, 841046), (50, 420523), (211, 99650), (422, 49825), (1055, 19930), (1993, 10550), (2110, 9965), (3986, 5275)]