21180334

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88993}}^1$

素因数の和:89019

約数の個数: 16

約数和(自身を含む): 38445408

約数和(自身を除く): 17265074

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88993, 177986, 622951, 1245902, 1512881, 3025762, 10590167, 21180334]

約数ペア:

[(1, 21180334), (2, 10590167), (7, 3025762), (14, 1512881), (17, 1245902), (34, 622951), (119, 177986), (238, 88993)]