21070746

素因数分解:

$2^1\times 3^3\times {\mathrm{390199}}^1$

素因数の和:390210

約数の個数: 16

約数和(自身を含む): 46824000

約数和(自身を除く): 25753254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390199, 780398, 1170597, 2341194, 3511791, 7023582, 10535373, 21070746]

約数ペア:

[(1, 21070746), (2, 10535373), (3, 7023582), (6, 3511791), (9, 2341194), (18, 1170597), (27, 780398), (54, 390199)]