21686866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 15249134

約数列:

[1, 2, 17, 19, 34, 38, 59, 118, 323, 569, 646, 1003, 1121, 1138, 2006, 2242, 9673, 10811, 19057, 19346, 21622, 33571, 38114, 67142, 183787, 367574, 570707, 637849, 1141414, 1275698, 10843433, 21686866]

約数ペア:

[(1, 21686866), (2, 10843433), (17, 1275698), (19, 1141414), (34, 637849), (38, 570707), (59, 367574), (118, 183787), (323, 67142), (569, 38114), (646, 33571), (1003, 21622), (1121, 19346), (1138, 19057), (2006, 10811), (2242, 9673)]