21091086

素因数分解:

$2^1\times 3^2\times {\mathrm{887}}^1\times {\mathrm{1321}}^1$

素因数の和:2216

約数の個数: 24

約数和(自身を含む): 45783504

約数和(自身を除く): 24692418

約数列:

[1, 2, 3, 6, 9, 18, 887, 1321, 1774, 2642, 2661, 3963, 5322, 7926, 7983, 11889, 15966, 23778, 1171727, 2343454, 3515181, 7030362, 10545543, 21091086]

約数ペア:

[(1, 21091086), (2, 10545543), (3, 7030362), (6, 3515181), (9, 2343454), (18, 1171727), (887, 23778), (1321, 15966), (1774, 11889), (2642, 7983), (2661, 7926), (3963, 5322)]