21394263

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15077}}^1$

素因数の和:15134

約数の個数: 16

約数和(自身を含む): 31844736

約数和(自身を除く): 10450473

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 15077, 45231, 165847, 497541, 648311, 1944933, 7131421, 21394263]

約数ペア:

[(1, 21394263), (3, 7131421), (11, 1944933), (33, 648311), (43, 497541), (129, 165847), (473, 45231), (1419, 15077)]