21279608

素因数分解:

$2^3\times 7^1\times {\mathrm{379993}}^1$

素因数の和:380006

約数の個数: 16

約数和(自身を含む): 45599280

約数和(自身を除く): 24319672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379993, 759986, 1519972, 2659951, 3039944, 5319902, 10639804, 21279608]

約数ペア:

[(1, 21279608), (2, 10639804), (4, 5319902), (7, 3039944), (8, 2659951), (14, 1519972), (28, 759986), (56, 379993)]