21508926

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{33503}}^1$

素因数の和:33615

約数の個数: 16

約数和(自身を含む): 43421184

約数和(自身を除く): 21912258

約数列:

[1, 2, 3, 6, 107, 214, 321, 642, 33503, 67006, 100509, 201018, 3584821, 7169642, 10754463, 21508926]

約数ペア:

[(1, 21508926), (2, 10754463), (3, 7169642), (6, 3584821), (107, 201018), (214, 100509), (321, 67006), (642, 33503)]