21804642

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71257}}^1$

素因数の和:71282

約数の個数: 24

約数和(自身を含む): 50023116

約数和(自身を除く): 28218474

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 71257, 142514, 213771, 427542, 641313, 1211369, 1282626, 2422738, 3634107, 7268214, 10902321, 21804642]

約数ペア:

[(1, 21804642), (2, 10902321), (3, 7268214), (6, 3634107), (9, 2422738), (17, 1282626), (18, 1211369), (34, 641313), (51, 427542), (102, 213771), (153, 142514), (306, 71257)]