21818133

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{5147}}^1$

素因数の和:5313

約数の個数: 16

約数和(自身を含む): 32535360

約数和(自身を除く): 10717227

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 5147, 15441, 46323, 138969, 808079, 2424237, 7272711, 21818133]

約数ペア:

[(1, 21818133), (3, 7272711), (9, 2424237), (27, 808079), (157, 138969), (471, 46323), (1413, 15441), (4239, 5147)]