210003388

素因数分解:

$2^2\times 7^1\times {\mathrm{7500121}}^1$

素因数の和:7500132

約数の個数: 12

約数和(自身を含む): 420006832

約数和(自身を除く): 210003444

約数列:

[1, 2, 4, 7, 14, 28, 7500121, 15000242, 30000484, 52500847, 105001694, 210003388]

約数ペア:

[(1, 210003388), (2, 105001694), (4, 52500847), (7, 30000484), (14, 15000242), (28, 7500121)]