21857538

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{77509}}^1$

素因数の和:77561

約数の個数: 16

約数和(自身を含む): 44645760

約数和(自身を除く): 22788222

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 77509, 155018, 232527, 465054, 3642923, 7285846, 10928769, 21857538]

約数ペア:

[(1, 21857538), (2, 10928769), (3, 7285846), (6, 3642923), (47, 465054), (94, 232527), (141, 155018), (282, 77509)]