21000679011

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1283}}^1\times {\mathrm{139901}}^1$

素因数の和:141203

約数の個数: 24

約数和(自身を含む): 32693418576

約数和(自身を除く): 11692739565

約数列:

[1, 3, 9, 13, 39, 117, 1283, 3849, 11547, 16679, 50037, 139901, 150111, 419703, 1259109, 1818713, 5456139, 16368417, 179492983, 538478949, 1615436847, 2333408779, 7000226337, 21000679011]

約数ペア:

[(1, 21000679011), (3, 7000226337), (9, 2333408779), (13, 1615436847), (39, 538478949), (117, 179492983), (1283, 16368417), (3849, 5456139), (11547, 1818713), (16679, 1259109), (50037, 419703), (139901, 150111)]