21383583

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 33116160

約数和(自身を除く): 11732577

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 713, 769, 897, 1209, 2139, 2307, 9269, 9997, 17687, 23839, 27807, 29991, 53061, 71517, 229931, 309907, 548297, 689793, 929721, 1644891, 7127861, 21383583]

約数ペア:

[(1, 21383583), (3, 7127861), (13, 1644891), (23, 929721), (31, 689793), (39, 548297), (69, 309907), (93, 229931), (299, 71517), (403, 53061), (713, 29991), (769, 27807), (897, 23839), (1209, 17687), (2139, 9997), (2307, 9269)]