21603514

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 32967648

約数和(自身を除く): 11364134

約数列:

[1, 2, 107, 157, 214, 314, 643, 1286, 16799, 33598, 68801, 100951, 137602, 201902, 10801757, 21603514]

約数ペア:

[(1, 21603514), (2, 10801757), (107, 201902), (157, 137602), (214, 100951), (314, 68801), (643, 33598), (1286, 16799)]