21082212

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13619}}^1$

素因数の和:13672

約数の個数: 36

約数和(自身を含む): 54534480

約数和(自身を除く): 33452268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13619, 27238, 40857, 54476, 81714, 122571, 163428, 245142, 490284, 585617, 1171234, 1756851, 2342468, 3513702, 5270553, 7027404, 10541106, 21082212]

約数ペア:

[(1, 21082212), (2, 10541106), (3, 7027404), (4, 5270553), (6, 3513702), (9, 2342468), (12, 1756851), (18, 1171234), (36, 585617), (43, 490284), (86, 245142), (129, 163428), (172, 122571), (258, 81714), (387, 54476), (516, 40857), (774, 27238), (1548, 13619)]