2105740221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1\times {\mathrm{26849}}^1$

素因数の和:28876

約数の個数: 16

約数和(自身を含む): 3025243200

約数和(自身を除く): 919502979

約数列:

[1, 3, 13, 39, 2011, 6033, 26143, 26849, 78429, 80547, 349037, 1047111, 53993339, 161980017, 701913407, 2105740221]

約数ペア:

[(1, 2105740221), (3, 701913407), (13, 161980017), (39, 53993339), (2011, 1047111), (6033, 349037), (26143, 80547), (26849, 78429)]