21191042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17989}}^1$

素因数の和:18041

約数の個数: 16

約数和(自身を含む): 34540800

約数和(自身を除く): 13349758

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17989, 35978, 341791, 557659, 683582, 1115318, 10595521, 21191042]

約数ペア:

[(1, 21191042), (2, 10595521), (19, 1115318), (31, 683582), (38, 557659), (62, 341791), (589, 35978), (1178, 17989)]