21919446

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{7039}}^1$

素因数の和:7220

約数の個数: 24

約数和(自身を含む): 47773440

約数和(自身を除く): 25853994

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 7039, 14078, 21117, 42234, 63351, 126702, 1217747, 2435494, 3653241, 7306482, 10959723, 21919446]

約数ペア:

[(1, 21919446), (2, 10959723), (3, 7306482), (6, 3653241), (9, 2435494), (18, 1217747), (173, 126702), (346, 63351), (519, 42234), (1038, 21117), (1557, 14078), (3114, 7039)]