21466270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{306661}}^1$

素因数の和:306675

約数の個数: 16

約数和(自身を含む): 44159328

約数和(自身を除く): 22693058

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 306661, 613322, 1533305, 2146627, 3066610, 4293254, 10733135, 21466270]

約数ペア:

[(1, 21466270), (2, 10733135), (5, 4293254), (7, 3066610), (10, 2146627), (14, 1533305), (35, 613322), (70, 306661)]