21768021

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2221}}^1$

素因数の和:2255

約数の個数: 30

約数和(自身を含む): 35758646

約数和(自身を除く): 13990625

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2221, 3267, 6663, 9801, 19989, 24431, 59967, 73293, 179901, 219879, 268741, 659637, 806223, 1978911, 2418669, 7256007, 21768021]

約数ペア:

[(1, 21768021), (3, 7256007), (9, 2418669), (11, 1978911), (27, 806223), (33, 659637), (81, 268741), (99, 219879), (121, 179901), (297, 73293), (363, 59967), (891, 24431), (1089, 19989), (2221, 9801), (3267, 6663)]