21764793

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 29620800

約数和(自身を除く): 7856007

約数列:

[1, 3, 101, 109, 303, 327, 659, 1977, 11009, 33027, 66559, 71831, 199677, 215493, 7254931, 21764793]

約数ペア:

[(1, 21764793), (3, 7254931), (101, 215493), (109, 199677), (303, 71831), (327, 66559), (659, 33027), (1977, 11009)]