21084534

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27241}}^1$

素因数の和:27292

約数の個数: 24

約数和(自身を含む): 46747272

約数和(自身を除く): 25662738

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27241, 54482, 81723, 163446, 245169, 490338, 1171363, 2342726, 3514089, 7028178, 10542267, 21084534]

約数ペア:

[(1, 21084534), (2, 10542267), (3, 7028178), (6, 3514089), (9, 2342726), (18, 1171363), (43, 490338), (86, 245169), (129, 163446), (258, 81723), (387, 54482), (774, 27241)]