21779703

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12941}}^1$

素因数の和:12975

約数の個数: 24

約数和(自身を含む): 36341136

約数和(自身を除く): 14561433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12941, 38823, 116469, 142351, 219997, 427053, 659991, 1281159, 1979973, 2419967, 7259901, 21779703]

約数ペア:

[(1, 21779703), (3, 7259901), (9, 2419967), (11, 1979973), (17, 1281159), (33, 659991), (51, 427053), (99, 219997), (153, 142351), (187, 116469), (561, 38823), (1683, 12941)]