21190818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321073}}^1$

素因数の和:321089

約数の個数: 16

約数和(自身を含む): 46234656

約数和(自身を除く): 25043838

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321073, 642146, 963219, 1926438, 3531803, 7063606, 10595409, 21190818]

約数ペア:

[(1, 21190818), (2, 10595409), (3, 7063606), (6, 3531803), (11, 1926438), (22, 963219), (33, 642146), (66, 321073)]