21347138

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9371}}^1$

素因数の和:9457

約数の個数: 16

約数和(自身を含む): 34413984

約数和(自身を除く): 13066846

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9371, 18742, 159307, 318614, 627857, 1255714, 10673569, 21347138]

約数ペア:

[(1, 21347138), (2, 10673569), (17, 1255714), (34, 627857), (67, 318614), (134, 159307), (1139, 18742), (2278, 9371)]