21003348

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{16993}}^1$

素因数の和:17103

約数の個数: 24

約数和(自身を含む): 49486528

約数和(自身を除く): 28483180

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 16993, 33986, 50979, 67972, 101958, 203916, 1750279, 3500558, 5250837, 7001116, 10501674, 21003348]

約数ペア:

[(1, 21003348), (2, 10501674), (3, 7001116), (4, 5250837), (6, 3500558), (12, 1750279), (103, 203916), (206, 101958), (309, 67972), (412, 50979), (618, 33986), (1236, 16993)]