21470493

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 10969827

約数列:

[1, 3, 11, 33, 47, 109, 127, 141, 327, 381, 517, 1199, 1397, 1551, 3597, 4191, 5123, 5969, 13843, 15369, 17907, 41529, 56353, 65659, 152273, 169059, 196977, 456819, 650621, 1951863, 7156831, 21470493]

約数ペア:

[(1, 21470493), (3, 7156831), (11, 1951863), (33, 650621), (47, 456819), (109, 196977), (127, 169059), (141, 152273), (327, 65659), (381, 56353), (517, 41529), (1199, 17907), (1397, 15369), (1551, 13843), (3597, 5969), (4191, 5123)]