21497478

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{49081}}^1$

素因数の和:49159

約数の個数: 16

約数和(自身を含む): 43584816

約数和(自身を除く): 22087338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 49081, 98162, 147243, 294486, 3582913, 7165826, 10748739, 21497478]

約数ペア:

[(1, 21497478), (2, 10748739), (3, 7165826), (6, 3582913), (73, 294486), (146, 147243), (219, 98162), (438, 49081)]