21784218

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{77249}}^1$

素因数の和:77301

約数の個数: 16

約数和(自身を含む): 44496000

約数和(自身を除く): 22711782

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 77249, 154498, 231747, 463494, 3630703, 7261406, 10892109, 21784218]

約数ペア:

[(1, 21784218), (2, 10892109), (3, 7261406), (6, 3630703), (47, 463494), (94, 231747), (141, 154498), (282, 77249)]