21679565517

素因数分解:

$3^6\times {\mathrm{59}}^1\times {\mathrm{504047}}^1$

素因数の和:504124

約数の個数: 28

約数和(自身を含む): 33055467840

約数和(自身を除く): 11375902323

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 729, 1593, 4779, 14337, 43011, 504047, 1512141, 4536423, 13609269, 29738773, 40827807, 89216319, 122483421, 267648957, 367450263, 802946871, 2408840613, 7226521839, 21679565517]

約数ペア:

[(1, 21679565517), (3, 7226521839), (9, 2408840613), (27, 802946871), (59, 367450263), (81, 267648957), (177, 122483421), (243, 89216319), (531, 40827807), (729, 29738773), (1593, 13609269), (4779, 4536423), (14337, 1512141), (43011, 504047)]