21232269

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 32935032

約数和(自身を除く): 11702763

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1901, 3723, 5703, 11169, 17109, 32317, 96951, 138773, 290853, 416319, 1248957, 2359141, 7077423, 21232269]

約数ペア:

[(1, 21232269), (3, 7077423), (9, 2359141), (17, 1248957), (51, 416319), (73, 290853), (153, 138773), (219, 96951), (657, 32317), (1241, 17109), (1901, 11169), (3723, 5703)]