21626157

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21911}}^1$

素因数の和:21968

約数の個数: 16

約数和(自身を含む): 33656832

約数和(自身を除く): 12030675

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21911, 65733, 153377, 460131, 1029817, 3089451, 7208719, 21626157]

約数ペア:

[(1, 21626157), (3, 7208719), (7, 3089451), (21, 1029817), (47, 460131), (141, 153377), (329, 65733), (987, 21911)]