21011074

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78989}}^1$

素因数の和:79017

約数の個数: 16

約数和(自身を含む): 37915200

約数和(自身を除く): 16904126

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78989, 157978, 552923, 1105846, 1500791, 3001582, 10505537, 21011074]

約数ペア:

[(1, 21011074), (2, 10505537), (7, 3001582), (14, 1500791), (19, 1105846), (38, 552923), (133, 157978), (266, 78989)]