21389434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57191}}^1$

素因数の和:57221

約数の個数: 16

約数和(自身を含む): 37060416

約数和(自身を除く): 15670982

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 57191, 114382, 629101, 972247, 1258202, 1944494, 10694717, 21389434]

約数ペア:

[(1, 21389434), (2, 10694717), (11, 1944494), (17, 1258202), (22, 972247), (34, 629101), (187, 114382), (374, 57191)]