2105754987

素因数分解:

$3^1\times 7^1\times {\mathrm{13411}}^1\times {\mathrm{7477}}^1$

素因数の和:20898

約数の個数: 16

約数和(自身を含む): 3209437952

約数和(自身を除く): 1103682965

約数列:

[1, 3, 7, 21, 7477, 13411, 22431, 40233, 52339, 93877, 157017, 281631, 100274047, 300822141, 701918329, 2105754987]

約数ペア:

[(1, 2105754987), (3, 701918329), (7, 300822141), (21, 100274047), (7477, 281631), (13411, 157017), (22431, 93877), (40233, 52339)]