21416994

素因数分解:

$2^1\times 3^3\times {\mathrm{613}}^1\times {\mathrm{647}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 47744640

約数和(自身を除く): 26327646

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 613, 647, 1226, 1294, 1839, 1941, 3678, 3882, 5517, 5823, 11034, 11646, 16551, 17469, 33102, 34938, 396611, 793222, 1189833, 2379666, 3569499, 7138998, 10708497, 21416994]

約数ペア:

[(1, 21416994), (2, 10708497), (3, 7138998), (6, 3569499), (9, 2379666), (18, 1189833), (27, 793222), (54, 396611), (613, 34938), (647, 33102), (1226, 17469), (1294, 16551), (1839, 11646), (1941, 11034), (3678, 5823), (3882, 5517)]