21000565684

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4190057}}^1$

素因数の和:4190247

約数の個数: 24

約数和(自身を含む): 42235784640

約数和(自身を除く): 21235218956

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 4190057, 8380114, 16760228, 29330399, 58660798, 117321596, 750020203, 1500040406, 3000080812, 5250141421, 10500282842, 21000565684]

約数ペア:

[(1, 21000565684), (2, 10500282842), (4, 5250141421), (7, 3000080812), (14, 1500040406), (28, 750020203), (179, 117321596), (358, 58660798), (716, 29330399), (1253, 16760228), (2506, 8380114), (5012, 4190057)]