21207846

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321331}}^1$

素因数の和:321347

約数の個数: 16

約数和(自身を含む): 46271808

約数和(自身を除く): 25063962

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321331, 642662, 963993, 1927986, 3534641, 7069282, 10603923, 21207846]

約数ペア:

[(1, 21207846), (2, 10603923), (3, 7069282), (6, 3534641), (11, 1927986), (22, 963993), (33, 642662), (66, 321331)]