21696879

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22391}}^1$

素因数の和:22430

約数の個数: 16

約数和(自身を含む): 32244480

約数和(自身を除く): 10547601

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 22391, 67173, 380647, 425429, 1141941, 1276287, 7232293, 21696879]

約数ペア:

[(1, 21696879), (3, 7232293), (17, 1276287), (19, 1141941), (51, 425429), (57, 380647), (323, 67173), (969, 22391)]