21222454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1\times {\mathrm{1123}}^1$

素因数の和:1995

約数の個数: 16

約数和(自身を含む): 34799040

約数和(自身を除く): 13576586

約数列:

[1, 2, 11, 22, 859, 1123, 1718, 2246, 9449, 12353, 18898, 24706, 964657, 1929314, 10611227, 21222454]

約数ペア:

[(1, 21222454), (2, 10611227), (11, 1929314), (22, 964657), (859, 24706), (1123, 18898), (1718, 12353), (2246, 9449)]