21007098

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166723}}^1$

素因数の和:166738

約数の個数: 24

約数和(自身を含む): 52017888

約数和(自身を除く): 31010790

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166723, 333446, 500169, 1000338, 1167061, 1500507, 2334122, 3001014, 3501183, 7002366, 10503549, 21007098]

約数ペア:

[(1, 21007098), (2, 10503549), (3, 7002366), (6, 3501183), (7, 3001014), (9, 2334122), (14, 1500507), (18, 1167061), (21, 1000338), (42, 500169), (63, 333446), (126, 166723)]