21173624570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1205101}}^1$

素因数の和:1205366

約数の個数: 32

約数和(自身を含む): 43730741376

約数和(自身を除く): 22557116806

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 8785, 17570, 1205101, 2410202, 6025505, 8435707, 12051010, 16871414, 42178535, 84357070, 302480351, 604960702, 1512401755, 2117362457, 3024803510, 4234724914, 10586812285, 21173624570]

約数ペア:

[(1, 21173624570), (2, 10586812285), (5, 4234724914), (7, 3024803510), (10, 2117362457), (14, 1512401755), (35, 604960702), (70, 302480351), (251, 84357070), (502, 42178535), (1255, 16871414), (1757, 12051010), (2510, 8435707), (3514, 6025505), (8785, 2410202), (17570, 1205101)]