21730203

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1103}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 34444800

約数和(自身を除く): 12714597

約数列:

[1, 3, 9, 11, 33, 99, 199, 597, 1103, 1791, 2189, 3309, 6567, 9927, 12133, 19701, 36399, 109197, 219497, 658491, 1975473, 2414467, 7243401, 21730203]

約数ペア:

[(1, 21730203), (3, 7243401), (9, 2414467), (11, 1975473), (33, 658491), (99, 219497), (199, 109197), (597, 36399), (1103, 19701), (1791, 12133), (2189, 9927), (3309, 6567)]