21578346

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9293}}^1$

素因数の和:9347

約数の個数: 32

約数和(自身を含む): 49072320

約数和(自身を除く): 27493974

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9293, 18586, 27879, 55758, 83637, 167274, 250911, 399599, 501822, 799198, 1198797, 2397594, 3596391, 7192782, 10789173, 21578346]

約数ペア:

[(1, 21578346), (2, 10789173), (3, 7192782), (6, 3596391), (9, 2397594), (18, 1198797), (27, 799198), (43, 501822), (54, 399599), (86, 250911), (129, 167274), (258, 83637), (387, 55758), (774, 27879), (1161, 18586), (2322, 9293)]