21195922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8839}}^1$

素因数の和:8961

約数の個数: 16

約数和(自身を含む): 35006400

約数和(自身を除く): 13810478

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8839, 17678, 97229, 194458, 963451, 1926902, 10597961, 21195922]

約数ペア:

[(1, 21195922), (2, 10597961), (11, 1926902), (22, 963451), (109, 194458), (218, 97229), (1199, 17678), (2398, 8839)]