21609490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44101}}^1$

素因数の和:44122

約数の個数: 24

約数和(自身を含む): 45248652

約数和(自身を除く): 23639162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44101, 88202, 220505, 308707, 441010, 617414, 1543535, 2160949, 3087070, 4321898, 10804745, 21609490]

約数ペア:

[(1, 21609490), (2, 10804745), (5, 4321898), (7, 3087070), (10, 2160949), (14, 1543535), (35, 617414), (49, 441010), (70, 308707), (98, 220505), (245, 88202), (490, 44101)]