21803841

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1597}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 33155304

約数和(自身を除く): 11351463

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 1597, 4551, 4791, 13653, 14373, 59089, 65477, 177267, 196431, 531801, 589293, 2422649, 7267947, 21803841]

約数ペア:

[(1, 21803841), (3, 7267947), (9, 2422649), (37, 589293), (41, 531801), (111, 196431), (123, 177267), (333, 65477), (369, 59089), (1517, 14373), (1597, 13653), (4551, 4791)]