21098934

素因数分解:

$2^1\times 3^3\times {\mathrm{390721}}^1$

素因数の和:390732

約数の個数: 16

約数和(自身を含む): 46886640

約数和(自身を除く): 25787706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390721, 781442, 1172163, 2344326, 3516489, 7032978, 10549467, 21098934]

約数ペア:

[(1, 21098934), (2, 10549467), (3, 7032978), (6, 3516489), (9, 2344326), (18, 1172163), (27, 781442), (54, 390721)]