21415310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{305933}}^1$

素因数の和:305947

約数の個数: 16

約数和(自身を含む): 44054496

約数和(自身を除く): 22639186

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 305933, 611866, 1529665, 2141531, 3059330, 4283062, 10707655, 21415310]

約数ペア:

[(1, 21415310), (2, 10707655), (5, 4283062), (7, 3059330), (10, 2141531), (14, 1529665), (35, 611866), (70, 305933)]