21717196

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 39384576

約数和(自身を除く): 17667380

約数列:

[1, 2, 4, 47, 71, 94, 142, 188, 284, 1627, 3254, 3337, 6508, 6674, 13348, 76469, 115517, 152938, 231034, 305876, 462068, 5429299, 10858598, 21717196]

約数ペア:

[(1, 21717196), (2, 10858598), (4, 5429299), (47, 462068), (71, 305876), (94, 231034), (142, 152938), (188, 115517), (284, 76469), (1627, 13348), (3254, 6674), (3337, 6508)]