21691854

素因数分解:

$2^1\times 3^3\times {\mathrm{127}}^1\times {\mathrm{3163}}^1$

素因数の和:3301

約数の個数: 32

約数和(自身を含む): 48599040

約数和(自身を除く): 26907186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 127, 254, 381, 762, 1143, 2286, 3163, 3429, 6326, 6858, 9489, 18978, 28467, 56934, 85401, 170802, 401701, 803402, 1205103, 2410206, 3615309, 7230618, 10845927, 21691854]

約数ペア:

[(1, 21691854), (2, 10845927), (3, 7230618), (6, 3615309), (9, 2410206), (18, 1205103), (27, 803402), (54, 401701), (127, 170802), (254, 85401), (381, 56934), (762, 28467), (1143, 18978), (2286, 9489), (3163, 6858), (3429, 6326)]