21458931

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 11442189

約数列:

[1, 3, 13, 23, 39, 47, 69, 141, 299, 509, 611, 897, 1081, 1527, 1833, 3243, 6617, 11707, 14053, 19851, 23923, 35121, 42159, 71769, 152191, 310999, 456573, 550229, 932997, 1650687, 7152977, 21458931]

約数ペア:

[(1, 21458931), (3, 7152977), (13, 1650687), (23, 932997), (39, 550229), (47, 456573), (69, 310999), (141, 152191), (299, 71769), (509, 42159), (611, 35121), (897, 23923), (1081, 19851), (1527, 14053), (1833, 11707), (3243, 6617)]