21466030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49921}}^1$

素因数の和:49971

約数の個数: 16

約数和(自身を含む): 39538224

約数和(自身を除く): 18072194

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49921, 99842, 249605, 499210, 2146603, 4293206, 10733015, 21466030]

約数ペア:

[(1, 21466030), (2, 10733015), (5, 4293206), (10, 2146603), (43, 499210), (86, 249605), (215, 99842), (430, 49921)]