21869361

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7523}}^1$

素因数の和:7565

約数の個数: 24

約数和(自身を含む): 35212320

約数和(自身を除く): 13342959

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7523, 22569, 67707, 127891, 142937, 383673, 428811, 1151019, 1286433, 2429929, 7289787, 21869361]

約数ペア:

[(1, 21869361), (3, 7289787), (9, 2429929), (17, 1286433), (19, 1151019), (51, 428811), (57, 383673), (153, 142937), (171, 127891), (323, 67707), (969, 22569), (2907, 7523)]