21614945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6661}}^1$

素因数の和:6736

約数の個数: 16

約数和(自身を含む): 28779840

約数和(自身を除く): 7164895

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6661, 33305, 73271, 366355, 392999, 1964995, 4322989, 21614945]

約数ペア:

[(1, 21614945), (5, 4322989), (11, 1964995), (55, 392999), (59, 366355), (295, 73271), (649, 33305), (3245, 6661)]