21389146

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3407}}^1$

素因数の和:3525

約数の個数: 16

約数和(自身を含む): 33289344

約数和(自身を除く): 11900198

約数列:

[1, 2, 43, 73, 86, 146, 3139, 3407, 6278, 6814, 146501, 248711, 293002, 497422, 10694573, 21389146]

約数ペア:

[(1, 21389146), (2, 10694573), (43, 497422), (73, 293002), (86, 248711), (146, 146501), (3139, 6814), (3407, 6278)]