21233091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5903}}^1$

素因数の和:6026

約数の個数: 16

約数和(自身を含む): 31173120

約数和(自身を除く): 9940029

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5903, 17709, 64933, 194799, 643427, 1930281, 7077697, 21233091]

約数ペア:

[(1, 21233091), (3, 7077697), (11, 1930281), (33, 643427), (109, 194799), (327, 64933), (1199, 17709), (3597, 5903)]