21277503

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6271}}^1$

素因数の和:6319

約数の個数: 24

約数和(自身を含む): 34245120

約数和(自身を除く): 12967617

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6271, 18813, 56439, 81523, 181859, 244569, 545577, 733707, 1636731, 2364167, 7092501, 21277503]

約数ペア:

[(1, 21277503), (3, 7092501), (9, 2364167), (13, 1636731), (29, 733707), (39, 545577), (87, 244569), (117, 181859), (261, 81523), (377, 56439), (1131, 18813), (3393, 6271)]