21094430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{301349}}^1$

素因数の和:301363

約数の個数: 16

約数和(自身を含む): 43394400

約数和(自身を除く): 22299970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 301349, 602698, 1506745, 2109443, 3013490, 4218886, 10547215, 21094430]

約数ペア:

[(1, 21094430), (2, 10547215), (5, 4218886), (7, 3013490), (10, 2109443), (14, 1506745), (35, 602698), (70, 301349)]