21315070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{304501}}^1$

素因数の和:304515

約数の個数: 16

約数和(自身を含む): 43848288

約数和(自身を除く): 22533218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 304501, 609002, 1522505, 2131507, 3045010, 4263014, 10657535, 21315070]

約数ペア:

[(1, 21315070), (2, 10657535), (5, 4263014), (7, 3045010), (10, 2131507), (14, 1522505), (35, 609002), (70, 304501)]